{"title":"Vintage \u0026 Veteran Motorcycles","description":null,"products":[{"product_id":"o2-rush-honda-cr-125-81-84-air-filter","title":"O2 Rush HONDA CR 125 81-84 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 125 81-84 Compatible years: 1981, 1982, 1983, 1984.\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":49213774856427,"sku":"O2R 4052","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R4052_1d83514c-f96b-4688-a073-e312e5416175.png?v=1786678703"},{"product_id":"o2-rush-honda-cr-125-86-air-filter","title":"O2 Rush HONDA CR 125 86 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 125 86 Compatible years: 1986.\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":49213775347947,"sku":"O2R 4103","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_882fb093-3299-48e3-8b43-a588f73edafd.png?v=1786678693"},{"product_id":"o2-rush-honda-cr-250-81-84-air-filter","title":"O2 Rush HONDA CR 250 81-84 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 250 81-84 Compatible years: 1981, 1982, 1983, 1984.\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":49213776298219,"sku":"O2R 4052","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R4052.png?v=1786678701"},{"product_id":"o2-rush-honda-cr-250-85-air-filter","title":"O2 Rush HONDA CR 250 85 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 250 85 Compatible years: 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":49213776560363,"sku":"O2R 4078","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_7610683d-0300-4f93-a4e1-c2d17cf43955.png?v=1786678699"},{"product_id":"o2-rush-honda-cr-250-86-air-filter","title":"O2 Rush HONDA CR 250 86 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 250 86 Compatible years: 1986.\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":49213776789739,"sku":"O2R 4103","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_cd67897b-0414-4d89-a7bd-738c2e15086b.png?v=1786678692"},{"product_id":"o2-rush-honda-cr-250-87-air-filter","title":"O2 Rush HONDA CR 250 87 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 250 87 Compatible years: 1987.\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":49213777019115,"sku":"O2R 4105","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R4105.png?v=1786678687"},{"product_id":"o2-rush-honda-cr-500-85-air-filter","title":"O2 Rush HONDA CR 500 85 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 500 85 Compatible years: 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":49213777969387,"sku":"O2R 4078","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_5b075ef4-0515-48d2-b72d-f54cb3553312.png?v=1786678698"},{"product_id":"o2-rush-honda-cr-500-86-air-filter","title":"O2 Rush HONDA CR 500 86 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 500 86 Compatible years: 1986.\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":49213778198763,"sku":"O2R 4103","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_d41d86e6-7593-45b8-a0ea-b7ce172354bd.png?v=1786678691"},{"product_id":"o2-rush-honda-cr-500-87-88-air-filter","title":"O2 Rush HONDA CR 500 87-88 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA CR 500 87-88 Compatible years: 1987, 1988.\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":49213778428139,"sku":"O2R 4105","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R4105_5c45c147-4794-42e0-92e9-d54e76d6412d.png?v=1786678686"},{"product_id":"o2-rush-honda-xr-350-83-86-air-filter","title":"O2 Rush HONDA XR 350 83-86 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA XR 350 83-86 Compatible years: 1983, 1984, 1985, 1986.\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":49213791273195,"sku":"O2R 4080","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R4080.png?v=1786678697"},{"product_id":"o2-rush-honda-xr-500-83-84-air-filter","title":"O2 Rush HONDA XR 500 83-84 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA XR 500 83-84 Compatible years: 1983, 1984.\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":49213791928555,"sku":"O2R 4080","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R4080_668f7a4c-9f17-4ffb-9e6a-2d9e920c49ee.png?v=1786678695"},{"product_id":"o2-rush-honda-xr-75-74-76-air-filter","title":"O2 Rush HONDA XR 75 74-76 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: HONDA XR 75 74-76 Compatible years: 1974, 1975, 1976.\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":49213792813291,"sku":"O2R 4003","price":19.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R_4003_94f57eda-9deb-4968-8861-d6dcd3266cea.png?v=1786678705"},{"product_id":"o2-rush-kawasaki-kdx-175-81-82-air-filter","title":"O2 Rush KAWASAKI KDX 175 81-82 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KDX 175 81-82 Compatible years: 1981, 1982.\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":49213799629035,"sku":"O2R 2338","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2338_bfe858e7-2e8a-4e18-b5ec-28c88338108b.png?v=1786678800"},{"product_id":"o2-rush-kawasaki-kdx-200-250-82-85-air-filter","title":"O2 Rush KAWASAKI KDX200 \/ KDX250 82-85 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KDX200 \/ KDX250 82-85 Compatible years: 1982, 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":49213799923947,"sku":"O2R 2354","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2354_578ccd1b-8f65-45b2-b8a9-e7eef5204517.png?v=1786678793"},{"product_id":"o2-rush-kawasaki-kdx-250-420-81-air-filter","title":"O2 Rush KAWASAKI KDX250 \/ KDX420 81 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KDX250 \/ KDX420 81 Compatible years: 1981.\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":49213800906987,"sku":"O2R 2338","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2338.png?v=1786678799"},{"product_id":"o2-rush-kawasaki-kdx-450-82-air-filter","title":"O2 Rush KAWASAKI KDX 450 82 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KDX 450 82 Compatible years: 1982.\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":49213801136363,"sku":"O2R 2345","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_302eab11-a8d7-4946-bc12-cda709be64f5.png?v=1786678797"},{"product_id":"o2-rush-kawasaki-kx-125-81-air-filter","title":"O2 Rush KAWASAKI KX 125 81 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 125 81 Compatible years: 1981.\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":49213802479851,"sku":"O2R 2338","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2338_e12988de-bf2c-480b-95be-73bf04721e59.png?v=1786678798"},{"product_id":"o2-rush-kawasaki-kx-125-83-air-filter","title":"O2 Rush KAWASAKI KX 125 83 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 125 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":49213802807531,"sku":"O2R 2345","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_0406b291-a123-41ea-a1d8-36bdd690e1f2.png?v=1786678795"},{"product_id":"o2-rush-kawasaki-kx-125-87-89-air-filter","title":"O2 Rush KAWASAKI KX 125 87-89 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 125 87-89 Compatible years: 1987, 1988, 1989.\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":49213803069675,"sku":"O2R 2364","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2364_07c0c4e0-d768-42c1-8a5b-23f44026b472.png?v=1786678787"},{"product_id":"o2-rush-kawasaki-kx-250-82-83-air-filter","title":"O2 Rush KAWASAKI KX 250 82-83 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 250 82-83 Compatible years: 1982, 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":49213804282091,"sku":"O2R 2345","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_d18e139a-ea3a-4e45-afef-6347d7937740.png?v=1786678795"},{"product_id":"o2-rush-kawasaki-kx-250-84-air-filter","title":"O2 Rush KAWASAKI KX 250 84 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 250 84 Compatible years: 1984.\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":49213804577003,"sku":"O2R 2364","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2364.png?v=1786678787"},{"product_id":"o2-rush-kawasaki-kx-250-87-89-air-filter","title":"O2 Rush KAWASAKI KX 250 87-89 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 250 87-89 Compatible years: 1987, 1988, 1989.\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":49213804773611,"sku":"O2R 2364","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2364_7b3126a9-0392-4f40-b416-7dac6df3b9c2.png?v=1786678785"},{"product_id":"o2-rush-kawasaki-kx-500-83-air-filter","title":"O2 Rush KAWASAKI KX 500 83 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 500 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":49213808935147,"sku":"O2R 2345","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_5b578729-8035-41b5-9599-d480d036b4a5.png?v=1786678794"},{"product_id":"o2-rush-kawasaki-kx-500-84-air-filter","title":"O2 Rush KAWASAKI KX 500 84 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 500 84 Compatible years: 1984.\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":49213809131755,"sku":"O2R 2354","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2354.png?v=1786678792"},{"product_id":"o2-rush-kawasaki-kx-80-82-air-filter","title":"O2 Rush KAWASAKI KX 80 82 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 80 82 Compatible years: 1982.\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":49213810213099,"sku":"O2R 2336","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2336_6e36525b-e15d-4bd1-bebf-4ebe817799c1.png?v=1786678801"},{"product_id":"o2-rush-kawasaki-kx-80-85-air-filter","title":"O2 Rush KAWASAKI KX 80 85 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KAWASAKI KX 80 85 Compatible years: 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":49213810475243,"sku":"O2R 2356","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/O2R2356_28251742-6513-4eb4-bacc-0e02a762a4e1.png?v=1786678790"},{"product_id":"o2-rush-ktm-250-85-89-air-filter","title":"O2 Rush KTM 250 85-89 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: KTM 250 85-89 Compatible years: 1985, 1986, 1987, 1988, 1989.\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":49213813260523,"sku":"O2R 1406","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_a654693a-ce47-441a-908e-a99ce5bdfb88.png?v=1786678929"},{"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-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-suzuki-rm-80-79-81-air-filter","title":"O2 Rush SUZUKI RM 80 79-81 Air Filter","description":"\u003cp\u003eO2 Rush Air Filter. Suits: SUZUKI RM 80 79-81 Compatible years: 1979, 1980, 1981.\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":49213952655595,"sku":"O2R 2455","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_e63a9fd2-f201-4417-a26d-76e8412c4546.png?v=1786678767"},{"product_id":"unifilter-honda-cbr-250-88-89-procomp2-air-filter","title":"Unifilter HONDA CBR 250 88-89 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA CBR 250 88-89 Compatible years: 1988, 1989.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49214010032363,"sku":"UF242170","price":107.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_53285a61-15a7-4a06-a2a9-1db939a17031.png?v=1786678571"},{"product_id":"unifilter-can-am-mx3-tnt-125-175-250-78-procomp2-air-filter","title":"Unifilter CAN-AM TNT125 \/ TNT175 \/ TNT250 78 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: CAN-AM TNT125 \/ TNT175 \/ TNT250 78 Compatible years: 1978.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eProComp2 Dual-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003ePro-level protection for serious enduro riders and weekend warriors alike\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\/Pro_Comp_2_feature_callouts_V2.png?v=1793249157\" alt=\"ProComp2 dual-stage filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhen the dust is thick and the trail is long, your engine needs more than a standard filter. Unifilter’s ProComp2 range is a true two-stage air filter built to keep fine dirt out of your engine in the harshest, dustiest conditions, without choking airflow.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe corrugated outer layer gives you 100% more surface area than a standard filter, so it traps more dirt and keeps breathing for longer. Behind it, a separate inner layer acts as a safety stage, catching anything that makes it through.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUnlike most dual-stage filters, the ProComp2’s layers aren’t bonded together. That means nothing restricts airflow between the stages, and you can pull the layers apart for a faster, more thorough clean.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose ProComp2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eTwo-stage filtration for maximum protection in extreme dust\u003c\/li\u003e\n\u003cli\u003eCorrugated outer layer with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eSeparate, non-bonded layers for better airflow and easier cleaning\u003c\/li\u003e\n\u003cli\u003eImproved airflow for crisper throttle response and more power\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia for Australian conditions\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 ProComp2 (AU1455ST) flowed 221.92 CFM, more than every competitor filter tested, including the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex and Funnelweb.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe only filter that flowed more was our own single-stage [O2Rush]. That means you get dual-stage dust protection with no airflow penalty compared with the other brands tested.\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\u003ePlease note:\u003c\/strong\u003e ProComp2 filters are supplied dry and 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 air filter airflow comparison at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223432863979,"sku":"NU 8001ST","price":47.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_c3e9a966-b104-476f-a095-06beb66f1520.png?v=1786678944"},{"product_id":"unifilter-bmw-all-twins-70-79-procomp2-air-filter","title":"Unifilter BMW All twins 70-79 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: BMW All twins 70-79 Compatible years: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223434764523,"sku":"NU 7301","price":71.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_7301.jpg?v=1786678965"},{"product_id":"unifilter-rokon-trailbreaker-all-procomp2-air-filter","title":"Unifilter ROKON TRAILBREAKER ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: ROKON TRAILBREAKER\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223434797291,"sku":"NU 7202","price":71.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_8c1a3588-1b57-4e8e-9c07-4c0a1b8f1808.png?v=1786678966"},{"product_id":"unifilter-rokon-a1-trans-all-procomp2-air-filter","title":"Unifilter ROKON A1\/TRANS ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: ROKON A1\/TRANS\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223434961131,"sku":"NU 7201","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_b5ed8950-f299-4004-8dd7-1c3fca8a9ce9.png?v=1786678968"},{"product_id":"unifilter-norton-750-850-all-procomp2-air-filter","title":"Unifilter NORTON 750, 850 All ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: NORTON 750, 850 All\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223438369003,"sku":"NU 6001","price":77.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_940d12ed-4e3c-446e-ad67-6e0471f06d73.png?v=1786678999"},{"product_id":"unifilter-hodaka-wombat-125-76-77-procomp2-air-filter","title":"Unifilter HODAKA Wombat 125 76-77 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HODAKA Wombat 125 76-77 Compatible years: 1976, 1977.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223438762219,"sku":"NU 5006","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_c8adad73-9290-4216-8bd7-3673b04bff44.png?v=1786679003"},{"product_id":"unifilter-hodaka-super-wombat-all-procomp2-air-filter","title":"Unifilter HODAKA SUPER WOMBAT ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HODAKA SUPER WOMBAT\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223439024363,"sku":"NU 5005","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_b63e36d9-5d7a-484f-856e-61fb0904b22c.png?v=1786679004"},{"product_id":"unifilter-hodaka-road-toad-76-77-procomp2-air-filter","title":"Unifilter HODAKA Road Toad 76-77 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HODAKA Road Toad 76-77 Compatible years: 1976, 1977.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223439188203,"sku":"NU 5004","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_12a65a57-eed5-4868-99b7-6bf05292fb7e.png?v=1786679006"},{"product_id":"unifilter-hodaka-combat-wombat-75-procomp2-air-filter","title":"Unifilter HODAKA Combat Wombat 75 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HODAKA Combat Wombat 75 Compatible years: 1975.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223439253739,"sku":"NU 5003","price":71.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_021e7282-85d9-477d-b307-e65e354bfd85.png?v=1786679007"},{"product_id":"unifilter-hodaka-wombat-to-75-procomp2-air-filter","title":"Unifilter HODAKA Wombat To 75 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HODAKA Wombat To 75 Compatible years: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223439450347,"sku":"NU 5002","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_e19c5134-bcf1-4626-9675-543626cf5aca.png?v=1786679009"},{"product_id":"unifilter-hodaka-dirt-squirt-to-76-procomp2-air-filter","title":"Unifilter HODAKA Dirt Squirt To 76 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HODAKA Dirt Squirt To 76 Compatible years: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223439614187,"sku":"NU 5002","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_aa9be6c7-6270-4ff9-91b8-676bba37e9d2.png?v=1786679010"},{"product_id":"unifilter-honda-xl-250-82-83-procomp2-air-filter","title":"Unifilter HONDA XL 250 82-83 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA XL 250 82-83 Compatible years: 1982, 1983.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eProComp2 Dual-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003ePro-level protection for serious enduro riders and weekend warriors alike\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\/Pro_Comp_2_feature_callouts_V2.png?v=1793249157\" alt=\"ProComp2 dual-stage filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhen the dust is thick and the trail is long, your engine needs more than a standard filter. Unifilter’s ProComp2 range is a true two-stage air filter built to keep fine dirt out of your engine in the harshest, dustiest conditions, without choking airflow.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe corrugated outer layer gives you 100% more surface area than a standard filter, so it traps more dirt and keeps breathing for longer. Behind it, a separate inner layer acts as a safety stage, catching anything that makes it through.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUnlike most dual-stage filters, the ProComp2’s layers aren’t bonded together. That means nothing restricts airflow between the stages, and you can pull the layers apart for a faster, more thorough clean.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose ProComp2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eTwo-stage filtration for maximum protection in extreme dust\u003c\/li\u003e\n\u003cli\u003eCorrugated outer layer with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eSeparate, non-bonded layers for better airflow and easier cleaning\u003c\/li\u003e\n\u003cli\u003eImproved airflow for crisper throttle response and more power\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia for Australian conditions\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 ProComp2 (AU1455ST) flowed 221.92 CFM, more than every competitor filter tested, including the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex and Funnelweb.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe only filter that flowed more was our own single-stage [O2Rush]. That means you get dual-stage dust protection with no airflow penalty compared with the other brands tested.\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\u003ePlease note:\u003c\/strong\u003e ProComp2 filters are supplied dry and 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 air filter airflow comparison at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223440564459,"sku":"NU 4195ST","price":35.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_4195ST.jpg?v=1786679019"},{"product_id":"unifilter-honda-nh-50-84-procomp2-air-filter","title":"Unifilter HONDA NH 50 84 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA NH 50 84 Compatible years: 1984.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223440793835,"sku":"NU 4192ST","price":23.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_b809f312-b462-42f4-af96-750c4ef4c7fb.png?v=1786679021"},{"product_id":"unifilter-honda-xl-250-72-74-procomp2-air-filter","title":"Unifilter HONDA XL 250 72-74 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA XL 250 72-74 Compatible years: 1972, 1973, 1974.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223440957675,"sku":"NU 4189","price":29.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/uni-filter-red_7fca1d39-57e7-45cd-beb7-26eb731ac719.png?v=1786679023"},{"product_id":"unifilter-honda-xl-500s-80-procomp2-air-filter","title":"Unifilter HONDA XL 500S 80 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA XL 500S 80 Compatible years: 1980.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eProComp2 Dual-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003ePro-level protection for serious enduro riders and weekend warriors alike\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\/Pro_Comp_2_feature_callouts_V2.png?v=1793249157\" alt=\"ProComp2 dual-stage filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhen the dust is thick and the trail is long, your engine needs more than a standard filter. Unifilter’s ProComp2 range is a true two-stage air filter built to keep fine dirt out of your engine in the harshest, dustiest conditions, without choking airflow.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe corrugated outer layer gives you 100% more surface area than a standard filter, so it traps more dirt and keeps breathing for longer. Behind it, a separate inner layer acts as a safety stage, catching anything that makes it through.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUnlike most dual-stage filters, the ProComp2’s layers aren’t bonded together. That means nothing restricts airflow between the stages, and you can pull the layers apart for a faster, more thorough clean.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose ProComp2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eTwo-stage filtration for maximum protection in extreme dust\u003c\/li\u003e\n\u003cli\u003eCorrugated outer layer with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eSeparate, non-bonded layers for better airflow and easier cleaning\u003c\/li\u003e\n\u003cli\u003eImproved airflow for crisper throttle response and more power\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia for Australian conditions\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 ProComp2 (AU1455ST) flowed 221.92 CFM, more than every competitor filter tested, including the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex and Funnelweb.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe only filter that flowed more was our own single-stage [O2Rush]. That means you get dual-stage dust protection with no airflow penalty compared with the other brands tested.\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\u003ePlease note:\u003c\/strong\u003e ProComp2 filters are supplied dry and 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 air filter airflow comparison at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223441219819,"sku":"NU 4185ST","price":35.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_4185ST.jpg?v=1786679025"},{"product_id":"unifilter-honda-cx-500-turbo-81-procomp2-air-filter","title":"Unifilter HONDA CX 500 Turbo 81 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA CX 500 Turbo 81 Compatible years: 1981.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223441350891,"sku":"NU 4179","price":107.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_4179.jpg?v=1786679026"},{"product_id":"unifilter-honda-xl-250-80-procomp2-air-filter","title":"Unifilter HONDA XL 250 80 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA XL 250 80 Compatible years: 1980.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eProComp2 Dual-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003ePro-level protection for serious enduro riders and weekend warriors alike\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\/Pro_Comp_2_feature_callouts_V2.png?v=1793249157\" alt=\"ProComp2 dual-stage filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhen the dust is thick and the trail is long, your engine needs more than a standard filter. Unifilter’s ProComp2 range is a true two-stage air filter built to keep fine dirt out of your engine in the harshest, dustiest conditions, without choking airflow.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe corrugated outer layer gives you 100% more surface area than a standard filter, so it traps more dirt and keeps breathing for longer. Behind it, a separate inner layer acts as a safety stage, catching anything that makes it through.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUnlike most dual-stage filters, the ProComp2’s layers aren’t bonded together. That means nothing restricts airflow between the stages, and you can pull the layers apart for a faster, more thorough clean.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose ProComp2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eTwo-stage filtration for maximum protection in extreme dust\u003c\/li\u003e\n\u003cli\u003eCorrugated outer layer with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eSeparate, non-bonded layers for better airflow and easier cleaning\u003c\/li\u003e\n\u003cli\u003eImproved airflow for crisper throttle response and more power\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia for Australian conditions\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 ProComp2 (AU1455ST) flowed 221.92 CFM, more than every competitor filter tested, including the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex and Funnelweb.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe only filter that flowed more was our own single-stage [O2Rush]. That means you get dual-stage dust protection with no airflow penalty compared with the other brands tested.\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\u003ePlease note:\u003c\/strong\u003e ProComp2 filters are supplied dry and 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 air filter airflow comparison at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223441645803,"sku":"NU 4175ST","price":35.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_4175ST.jpg?v=1786679028"},{"product_id":"unifilter-honda-cr-250-79-procomp2-air-filter","title":"Unifilter HONDA CR 250 79 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA CR 250 79 Compatible years: 1979.\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223441776875,"sku":"NU 4161","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_4161.jpg?v=1786679030"},{"product_id":"unifilter-honda-xr-200-81-83-procomp2-air-filter","title":"Unifilter HONDA XR 200 81-83 ProComp2 Air Filter","description":"\u003cp\u003eProComp2 Air Filter. Suits: HONDA XR 200 81-83 Compatible years: 1981, 1982, 1983.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eProComp2 Dual-Stage Air Filters\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003ePro-level protection for serious enduro riders and weekend warriors alike\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\/Pro_Comp_2_feature_callouts_V2.png?v=1793249157\" alt=\"ProComp2 dual-stage filter construction and features\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhen the dust is thick and the trail is long, your engine needs more than a standard filter. Unifilter’s ProComp2 range is a true two-stage air filter built to keep fine dirt out of your engine in the harshest, dustiest conditions, without choking airflow.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe corrugated outer layer gives you 100% more surface area than a standard filter, so it traps more dirt and keeps breathing for longer. Behind it, a separate inner layer acts as a safety stage, catching anything that makes it through.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUnlike most dual-stage filters, the ProComp2’s layers aren’t bonded together. That means nothing restricts airflow between the stages, and you can pull the layers apart for a faster, more thorough clean.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy riders choose ProComp2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eTwo-stage filtration for maximum protection in extreme dust\u003c\/li\u003e\n\u003cli\u003eCorrugated outer layer with double the surface area of a standard filter\u003c\/li\u003e\n\u003cli\u003eSeparate, non-bonded layers for better airflow and easier cleaning\u003c\/li\u003e\n\u003cli\u003eImproved airflow for crisper throttle response and more power\u003c\/li\u003e\n\u003cli\u003eDesigned and made in Australia for Australian conditions\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 ProComp2 (AU1455ST) flowed 221.92 CFM, more than every competitor filter tested, including the KTM\/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex and Funnelweb.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe only filter that flowed more was our own single-stage [O2Rush]. That means you get dual-stage dust protection with no airflow penalty compared with the other brands tested.\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\u003ePlease note:\u003c\/strong\u003e ProComp2 filters are supplied dry and 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 air filter airflow comparison at 28 inches of water\"\u003e\u003c\/p\u003e","brand":"Unifilter","offers":[{"title":"Default Title","offer_id":49223442465003,"sku":"NU 4154ST","price":35.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0404\/2987\/files\/NU_4154ST.jpg?v=1786679037"}],"url":"https:\/\/uniflow.com.au\/collections\/motorcycle-vintage-veteran.oembed?page=15","provider":"Unifilter Australia","version":"1.0","type":"link"}