{"title":"Yamaha O2 Rush Dirt Bike Air Filters","description":null,"products":[{"product_id":"o2-rush-yamaha-wr-250-400-426-97-02-air-filter","title":"O2 Rush YAMAHA WR250 \/ WR400 \/ WR426 \/ YZ 125\/250 2-STROKE \/ YZ250F \/ YZ400 \/ YZ426F 97-02 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ WR400 \/ WR426 \/ YZ 125\/250 2-STROKE \/ YZ250F \/ YZ400 \/ YZ426F 97-02 Compatible years: 1997, 1998, 1999, 2000, 2001, 2002.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213935714539,"sku":"O2R 2224","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2224_b787f91e-7e49-4c5c-922f-80c653f73cf1.png?v=1786678830"},{"product_id":"o2-rush-yamaha-yz-125-96-on-air-filter","title":"O2 Rush YAMAHA YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 96-ON Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 96-ON Compatible years: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213936042219,"sku":"O2R 2224","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2224_264586ff-c8fb-493a-896b-2c732d3a3868.png?v=1786678829"},{"product_id":"o2-rush-yamaha-yz-250-2stroke-96-on-air-filter","title":"O2 Rush YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 \/ YZ250F 96-ON Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 \/ YZ250F 96-ON Compatible years: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213936369899,"sku":"O2R 2224","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2224_e944d6c7-d80d-4365-9547-12438eea85f8.png?v=1786678828"},{"product_id":"o2-rush-yamaha-yz-250f-96-13-air-filter","title":"O2 Rush YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ250F 01-13 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ250F 01-13 Compatible years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213936664811,"sku":"O2R 2224","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2224_c9b5cfd0-1b7c-49ef-b2d2-8c5b5bfe308c.png?v=1786678827"},{"product_id":"o2-rush-yamaha-yz-400-426f-98-03-air-filter","title":"O2 Rush YAMAHA YZ 400, 426F 98-02 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 400, 426F 98-02 Compatible years: 1998, 1999, 2000, 2001, 2002.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213936992491,"sku":"O2R 2224","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2224_54465cd0-f4e6-45d1-9359-20df7f128db2.png?v=1786678826"},{"product_id":"o2-rush-yamaha-yz-450f-03-09-air-filter","title":"O2 Rush YAMAHA YZ 450F 03-09 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 450F 03-09 Compatible years: 2003, 2004, 2005, 2006, 2007, 2008, 2009.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213937287403,"sku":"O2R 2224","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2224_ec13d8a6-800a-4c64-8e07-5e55d137b167.png?v=1786678824"},{"product_id":"o2-rush-race-ready-yamaha-wr-250-400-426-97-02-air-filter","title":"O2 Rush Race Ready YAMAHA WR250 \/ WR400 \/ WR426 \/ YZ 125\/250 2-STROKE \/ YZ250F \/ YZ400 \/ YZ426F 97-02 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR250 \/ WR400 \/ WR426 \/ YZ 125\/250 2-STROKE \/ YZ250F \/ YZ400 \/ YZ426F 97-02 Compatible years: 1997, 1998, 1999, 2000, 2001, 2002.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213937844459,"sku":"O2R 2224RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_2224RRWeb_a646b80a-119a-4f55-8db5-dd2298c5db23.jpg?v=1786678823"},{"product_id":"o2-rush-race-ready-yamaha-yz-125-96-on-air-filter","title":"O2 Rush Race Ready YAMAHA YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 96-ON Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 96-ON Compatible years: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213938139371,"sku":"O2R 2224RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_2224RRWeb_6c662e36-2cb1-464a-a36e-a5e9a4a1bea8.jpg?v=1786678821"},{"product_id":"o2-rush-race-ready-yamaha-yz-250-2stroke-96-on-air-filter","title":"O2 Rush Race Ready YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 \/ YZ250F 96-ON Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ125 \/ YZ250 \/ YZ250F 96-ON Compatible years: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213938434283,"sku":"O2R 2224RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_2224RRWeb_7214166d-1220-4733-acb7-43a36f5ea696.jpg?v=1786678820"},{"product_id":"o2-rush-race-ready-yamaha-yz-250f-96-13-air-filter","title":"O2 Rush Race Ready YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ250F 01-13 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR250 \/ YZ 125\/250 2-STROKE \/ YZ250F 01-13 Compatible years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213938696427,"sku":"O2R 2224RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_2224RRWeb_2d87b7d8-f78c-486b-a3e0-6171542e57b8.jpg?v=1786678819"},{"product_id":"o2-rush-race-ready-yamaha-yz-400-426f-98-03-air-filter","title":"O2 Rush Race Ready YAMAHA YZ 400, 426F 98-02 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA YZ 400, 426F 98-02 Compatible years: 1998, 1999, 2000, 2001, 2002.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213938958571,"sku":"O2R 2224RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_2224RRWeb_b71c4f34-2d6b-440d-be86-d0b16c727d3d.jpg?v=1786678818"},{"product_id":"o2-rush-race-ready-yamaha-yz-450f-03-09-air-filter","title":"O2 Rush Race Ready YAMAHA YZ 450F 03-09 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA YZ 450F 03-09 Compatible years: 2003, 2004, 2005, 2006, 2007, 2008, 2009.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213939253483,"sku":"O2R 2224RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_2224RRWeb_d2a8437f-1653-46f8-bbd1-83ecc6adfc67.jpg?v=1786678816"},{"product_id":"o2-rush-yamaha-wr-250-91-92-air-filter","title":"O2 Rush YAMAHA WR250 \/ YZ250 91-92 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ YZ250 91-92 Compatible years: 1991, 1992.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213939515627,"sku":"O2R 2236","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2236_88d0f707-10a6-4de9-8e06-dc3bd4658b54.png?v=1786678816"},{"product_id":"o2-rush-yamaha-yz-250-w-a-b-d-89-92-air-filter","title":"O2 Rush YAMAHA WR250 \/ YZ250 89-92 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ YZ250 89-92 Compatible years: 1989, 1990, 1991, 1992.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213939777771,"sku":"O2R 2236","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2236_7fdc9ea7-b1f7-4083-8bcd-47e0c73938ed.png?v=1786678815"},{"product_id":"o2-rush-yamaha-wr-250-93-96-air-filter","title":"O2 Rush YAMAHA WR250 \/ YZ 125\/250 2-STROKE 93-96 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ YZ 125\/250 2-STROKE 93-96 Compatible years: 1993, 1994, 1995, 1996.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213940072683,"sku":"O2R 2238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2238_1a44048c-1637-431f-b3f3-aafd6e37bd44.png?v=1786678814"},{"product_id":"o2-rush-yamaha-wr-500-91-01-air-filter","title":"O2 Rush YAMAHA WR 500 91-01 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR 500 91-01 Compatible years: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213940367595,"sku":"O2R 2238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2238_a060f703-706f-4cac-a4c9-d2d1bd6013e6.png?v=1786678813"},{"product_id":"o2-rush-yamaha-yz-125-93-95-air-filter","title":"O2 Rush YAMAHA YZ 125\/250 2-STROKE 93-95 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 125\/250 2-STROKE 93-95 Compatible years: 1993, 1994, 1995.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213940760811,"sku":"O2R 2238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2238_def5d387-6dd1-4410-aba6-d60757f121ca.png?v=1786678811"},{"product_id":"o2-rush-yamaha-yz-250-93-95-air-filter","title":"O2 Rush YAMAHA WR250 \/ YZ 125\/250 2-STROKE 93-95 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250 \/ YZ 125\/250 2-STROKE 93-95 Compatible years: 1993, 1994, 1995.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213941809387,"sku":"O2R 2238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2238_9b30b397-178a-4b13-b925-a2e29cdc5815.png?v=1786678810"},{"product_id":"o2-rush-yamaha-wr-200-91-98-air-filter","title":"O2 Rush YAMAHA WR 200 91-98 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR 200 91-98 Compatible years: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213942104299,"sku":"O2R 2258","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2258_b68918ba-b93d-46d1-b89b-3a2a9dcfa7dd.png?v=1786678809"},{"product_id":"o2-rush-yamaha-it-250-490-k-l-n-83-85-air-filter","title":"O2 Rush YAMAHA IT250 \/ IT490 83-85 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA IT250 \/ IT490 83-85 Compatible years: 1983, 1984, 1985.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213942366443,"sku":"O2R 2268","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2268.png?v=1786678808"},{"product_id":"o2-rush-yamaha-tt-600-84-98-air-filter","title":"O2 Rush YAMAHA TT 600 84-98 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA TT 600 84-98 Compatible years: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213942694123,"sku":"O2R 2269","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2269.png?v=1786678807"},{"product_id":"o2-rush-yamaha-tt250-350-85-91-air-filter","title":"O2 Rush YAMAHA TT250 \/ TT350 85-91 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA TT250 \/ TT350 85-91 Compatible years: 1985, 1986, 1987, 1988, 1989, 1990, 1991.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213943152875,"sku":"O2R 2286","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2286.png?v=1786678806"},{"product_id":"o2-rush-yamaha-yz-100k-83-air-filter","title":"O2 Rush YAMAHA YZ 100K 83 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 100K 83 Compatible years: 1983.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213943447787,"sku":"O2R 2286","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2286_d5aa1729-33d8-4aa1-8913-ea63f3d263c5.png?v=1786678805"},{"product_id":"o2-rush-yamaha-yz-80-93-01-air-filter","title":"O2 Rush YAMAHA YZ 80 93-01 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 80 93-01 Compatible years: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213943742699,"sku":"O2R 2297","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2297_389c60f6-2a68-4e70-ac6b-125a601dfe73.png?v=1786678804"},{"product_id":"o2-rush-yamaha-yz-80-87-92-air-filter","title":"O2 Rush YAMAHA YZ 80 87-92 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 80 87-92 Compatible years: 1987, 1988, 1989, 1990, 1991, 1992.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213944103147,"sku":"O2R 2298","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2298_401f9024-a547-48bc-98f2-3be1a3d196f4.png?v=1786678803"},{"product_id":"o2-rush-yamaha-yz-85-02-on-air-filter","title":"O2 Rush YAMAHA YZ 85 02-ON Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 85 02-ON Compatible years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213962977515,"sku":"O2R 3222","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R3222.png?v=1786678730"},{"product_id":"o2-rush-race-ready-yamaha-yz-85-02-on-air-filter","title":"O2 Rush Race Ready YAMAHA YZ 85 02-ON Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA YZ 85 02-ON Compatible years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213963305195,"sku":"O2R 3222RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_c22636ce-4cda-42a1-9268-f5e635167216.png?v=1786678729"},{"product_id":"o2-rush-yamaha-wr-250f-03-14-air-filter","title":"O2 Rush YAMAHA WR 250F 03-14 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR 250F 03-14 Compatible years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213986275563,"sku":"O2R 6215","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R6215_b6d62cee-cef4-4e29-bc2d-44d1daaeb202.png?v=1786678641"},{"product_id":"o2-rush-yamaha-wr-450f-2-trak-04-air-filter","title":"O2 Rush YAMAHA WR450F 04 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR450F 04\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213986570475,"sku":"O2R 6215","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R6215_34366ec4-67c3-407a-bba3-38b85e48d4f7.png?v=1786678640"},{"product_id":"o2-rush-yamaha-wr-450f-03-15-air-filter","title":"O2 Rush YAMAHA WR 450F 03-15 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR 450F 03-15 Compatible years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213986832619,"sku":"O2R 6215","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R6215_7b67bcdd-902b-4fdf-8dc7-c95c7700e6a8.png?v=1786678639"},{"product_id":"o2-rush-race-ready-yamaha-wr-250f-03-14-air-filter","title":"O2 Rush Race Ready YAMAHA WR 250F 03-14 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR 250F 03-14 Compatible years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213987193067,"sku":"O2R 6215RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6215RRWeb_14eebfd3-7577-467b-ad99-82c3c7f6337e.jpg?v=1786678638"},{"product_id":"o2-rush-race-ready-yamaha-wr-450f-2-trak-04-air-filter","title":"O2 Rush Race Ready YAMAHA WR450F 04 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR450F 04\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213987455211,"sku":"O2R 6215RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6215RRWeb_c311008c-9954-4945-bf4c-23dc6f7c306e.jpg?v=1786678637"},{"product_id":"o2-rush-race-ready-yamaha-wr-450f-03-15-air-filter","title":"O2 Rush Race Ready YAMAHA WR 450F 03-15 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR 450F 03-15 Compatible years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213987717355,"sku":"O2R 6215RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6215RRWeb_62e335b3-f490-4974-85db-56a217983f4d.jpg?v=1786678636"},{"product_id":"o2-rush-yamaha-yz-450f-10-13-air-filter","title":"O2 Rush YAMAHA YZ 450F 10-13 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA YZ 450F 10-13 Compatible years: 2010, 2011, 2012, 2013.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213988045035,"sku":"O2R 6232","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R6232.png?v=1786678635"},{"product_id":"o2-rush-race-ready-yamaha-yz-450f-10-13-air-filter","title":"O2 Rush Race Ready YAMAHA YZ 450F 10-13 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA YZ 450F 10-13 Compatible years: 2010, 2011, 2012, 2013.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213988307179,"sku":"O2R 6232RR","price":44.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6232RRWeb_0c34014f-b734-4b89-a0b0-1768110d2858.jpg?v=1786678634"},{"product_id":"o2-rush-yamaha-wr-250f-15-19-air-filter","title":"O2 Rush YAMAHA WR250F \/ YZ250F\/YZ250FX 15-19 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250F \/ YZ250F\/YZ250FX 15-19 Compatible years: 2015, 2016, 2017, 2018, 2019.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213989126379,"sku":"O2R 6238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238_0318a522-8c1c-4d76-8d04-773ac01299c4.jpg?v=1786678633"},{"product_id":"o2-rush-yamaha-wr-450f-16-18-air-filter","title":"O2 Rush YAMAHA WR450F \/ YZ450F\/YZ450FX 16-18 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR450F \/ YZ450F\/YZ450FX 16-18 Compatible years: 2016, 2017, 2018.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213990207723,"sku":"O2R 6238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238_07760637-6328-40ab-acb0-75bd9b34fed8.jpg?v=1786678632"},{"product_id":"o2-rush-yamaha-yz-250f-14-18-air-filter","title":"O2 Rush YAMAHA WR250F \/ YZ250F \/ YZ250F\/YZ250FX 14-18 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250F \/ YZ250F \/ YZ250F\/YZ250FX 14-18 Compatible years: 2014, 2015, 2016, 2017, 2018.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213990797547,"sku":"O2R 6238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238_b6e84f00-e7f2-44df-990c-8a0ee728f9e3.jpg?v=1786678630"},{"product_id":"o2-rush-yamaha-yz-450f-14-17-air-filter","title":"O2 Rush YAMAHA WR450F \/ YZ450F \/ YZ450F\/YZ450FX 14-17 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR450F \/ YZ450F \/ YZ450F\/YZ450FX 14-17 Compatible years: 2014, 2015, 2016, 2017.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213991354603,"sku":"O2R 6238","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238_a94f3f4f-df46-427c-b268-1feea3fce8da.jpg?v=1786678629"},{"product_id":"o2-rush-race-ready-yamaha-wr-250f-15-19-air-filter","title":"O2 Rush Race Ready YAMAHA WR250F \/ YZ250F\/YZ250FX 15-19 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR250F \/ YZ250F\/YZ250FX 15-19 Compatible years: 2015, 2016, 2017, 2018, 2019.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213991616747,"sku":"O2R 6238RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238RRWeb_8f46d4cf-c282-4e6b-becf-368405b207fe.jpg?v=1786678628"},{"product_id":"o2-rush-race-ready-yamaha-wr-450f-16-18-air-filter","title":"O2 Rush Race Ready YAMAHA WR450F \/ YZ450F\/YZ450FX 16-18 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR450F \/ YZ450F\/YZ450FX 16-18 Compatible years: 2016, 2017, 2018.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213991878891,"sku":"O2R 6238RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238RRWeb_9724e239-e981-40aa-9ace-b132eb889267.jpg?v=1786678627"},{"product_id":"o2-rush-race-ready-yamaha-yz-250f-14-18-air-filter","title":"O2 Rush Race Ready YAMAHA WR250F \/ YZ250F \/ YZ250F\/YZ250FX 14-18 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR250F \/ YZ250F \/ YZ250F\/YZ250FX 14-18 Compatible years: 2014, 2015, 2016, 2017, 2018.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213992141035,"sku":"O2R 6238RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238RRWeb_4a802784-8a5e-44fb-9aae-3e0ed78b75f1.jpg?v=1786678626"},{"product_id":"o2-rush-race-ready-yamaha-yz-450f-14-17-air-filter","title":"O2 Rush Race Ready YAMAHA WR450F \/ YZ450F \/ YZ450F\/YZ450FX 14-17 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA WR450F \/ YZ450F \/ YZ450F\/YZ450FX 14-17 Compatible years: 2014, 2015, 2016, 2017.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213992435947,"sku":"O2R 6238RR","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238RRWeb_a91b3ca4-f066-49b0-9cca-1ee603ac7448.jpg?v=1786678625"},{"product_id":"o2-rush-race-ready-yamaha-yz250f-gytr-performance-kit-replacement-filter-b-b-e41e0-v0-base-19-23-air-filter","title":"O2 Rush Race Ready YAMAHA YZ250F GYTR PERFORMANCE KIT REPLACEMENT FILTER B\u0026B-E41E0-V0_BASE Kit Replacement Filter B\u0026B-E41E0-V0_BASE 19-23 Air Filter","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: YAMAHA YZ250F GYTR PERFORMANCE KIT REPLACEMENT FILTER B\u0026amp;B-E41E0-V0_BASE Kit Replacement Filter B\u0026amp;B-E41E0-V0_BASE 19-23 Compatible years: 2019, 2020, 2021, 2022, 2023.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213992730859,"sku":"O2R 6238RRGYT","price":53.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6238RR_GYT_0d289d9c-c694-4688-bf46-d047399d3b26.jpg?v=1786678624"},{"product_id":"o2-rush-yamaha-ttr-50-1p6-e445-100-06-on-air-filter","title":"O2 Rush YAMAHA TTR 50 (1P6-E445-100) 06-ON Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA TTR 50 (1P6-E445-100) 06-ON Compatible years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213993025771,"sku":"O2R 6239","price":19.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6239_28af021e-5ed2-4796-af85-885c8b0c7f65.png?v=1786678623"},{"product_id":"o2-rush-yamaha-ttr-110-5b6-14451-00-08-on-air-filter","title":"O2 Rush YAMAHA TTR 110 (5B6-14451-00) 08-ON Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA TTR 110 (5B6-14451-00) 08-ON Compatible years: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213993353451,"sku":"O2R 6240","price":19.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6240_ffb0b796-70b1-4ce1-b32c-90059dd5f5bb.png?v=1786678622"},{"product_id":"o2-rush-yamaha-wr-250f-20-on-air-filter","title":"O2 Rush YAMAHA WR250F \/ WR250F (DESERT) \/ YZ250F\/YZ250FX 20-24 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250F \/ WR250F (DESERT) \/ YZ250F\/YZ250FX 20-24 Compatible years: 2020, 2021, 2022, 2023, 2024.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213994369259,"sku":"O2R 6242","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6242_9f7e1e28-d4c0-423c-8a07-01dd5751f697.jpg?v=1786678620"},{"product_id":"o2-rush-yamaha-wr-450f-19-23-air-filter","title":"O2 Rush YAMAHA WR450F \/ YZ450F\/YZ450FX 19-23 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR450F \/ YZ450F\/YZ450FX 19-23 Compatible years: 2019, 2020, 2021, 2022, 2023.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213995253995,"sku":"O2R 6242","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6242_1b965426-1cb2-4c81-a647-b3ff119491a7.jpg?v=1786678618"},{"product_id":"o2-rush-yamaha-yz-250f-19-23-air-filter","title":"O2 Rush YAMAHA WR250F \/ YZ250F \/ YZ250F\/YZ250FX 19-23 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR250F \/ YZ250F \/ YZ250F\/YZ250FX 19-23 Compatible years: 2019, 2020, 2021, 2022, 2023.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213996073195,"sku":"O2R 6242","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6242_52aac50d-825b-4c81-8d57-8cf429d3233d.jpg?v=1786678615"},{"product_id":"o2-rush-yamaha-yz-450f-18-22-air-filter","title":"O2 Rush YAMAHA WR450F \/ YZ450F \/ YZ450F\/YZ450FX 18-22 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: YAMAHA WR450F \/ YZ450F \/ YZ450F\/YZ450FX 18-22 Compatible years: 2018, 2019, 2020, 2021, 2022.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eO2Rush Single-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eMaximum airflow for riders who want every bit of performance\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2_Rush_Call_Out.png?v=1793249384\" alt=\"O2Rush air filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe O2Rush is Unifilter’s high-flow single-stage dirt bike filter, built for riders chasing maximum airflow and throttle response. Its saw-tooth corrugated foam gives you twice the surface area of a standard filter, so it captures more dirt and keeps breathing freely for longer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose O2Rush\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHighest airflow of any filter in independent testing\u003c\/li\u003e\n\u003cli\u003eSaw-tooth corrugated foam with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eUltra-soft seals for a tight fit between the airbox and filter cage\u003c\/li\u003e\n\u003cli\u003eAvailable dry or pre-oiled and race ready\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIndependently tested airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIn June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The O2Rush (O2R1455) recorded the highest airflow of every filter tested, at 223.81 CFM. It flowed more than the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex, Funnelweb and our own ProComp2 dual-stage filter.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eTest conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhich filter is right for you?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eChoose O2Rush for motocross, track riding and conditions where airflow matters most. Riding in heavy dust, long enduro days or desert conditions? The [ProComp2 dual-stage filter] gives you an extra stage of protection with almost no airflow loss.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Dry O2Rush filters must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/Air_Flow_Test.jpg?v=1793237439\" alt=\"Independent airflow comparison for seven air filters, tested at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49213996925163,"sku":"O2R 6242","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_6242_6b6d1f51-e3da-427f-9515-6e4663741fe0.jpg?v=1786678613"}],"url":"https:\/\/uniflow.com.au\/collections\/yamaha-o2-rush-dirt-bike-air-filters.oembed?page=3","provider":"Unifilter Australia","version":"1.0","type":"link"}