{"title":"TM O2 Rush Dirt Bike Air Filters","description":null,"products":[{"product_id":"o2-rush-tm-all-models-02-11-air-filter","title":"O2 Rush TM All Models 02-11 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: TM All Models 02-11 Compatible years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011.\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":49213935485163,"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.png?v=1786678831"},{"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-tm-all-models-02-11-air-filter","title":"O2 Rush Race Ready TM All Models 02-11 Air Filter Pre-Oiled","description":"\u003cp\u003eO2 Rush Race Ready Air Filter. Suits: TM All Models 02-11 Compatible years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011.\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":49213937549547,"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_23f75a52-3701-4797-91c3-132c5cb650f5.jpg?v=1786678823"},{"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"}],"url":"https:\/\/uniflow.com.au\/collections\/tm-o2-rush-dirt-bike-air-filters.oembed","provider":"Unifilter Australia","version":"1.0","type":"link"}