Yamaha WR400F Air Intake & Filters
- No Toil®Super-Flo Kit (SFK18044)Super-Flo Kit by No Toil®. No Toil Super-FLO Filter Kit is now the weapon of choice when looking to increase throttle response and horsepower by removing the backfire screen, and adding a flame resistant filter. Helping you get the most...Expertly crafted from premium materialsDesigned to match rigorous quality standards$85.15
- Outlaw Racing®Super Seal Air Filter (18044SS)Air Filter by Outlaw Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...The Outlaw Racing super seal filters come with a one year warranty on workmanship and materialsAny air filter that is determined by Outlaw Racing to be defective within one year of purchase will be replaced, simply return the filter to Outlaw Racing along with the retail invoice$31.94
- PC Racing®Flo™ Air Filter (PCF1X)Flo™ Air Filter by PC Racing®. PC Racing's new FLO® X Filters have a patent-pending design that includes two Foam Filterskins®. The main filter incorporates a bonded two layer precision foam and proper density for maximum...Coarse open-pore catches airborne dirt, grime and sandFine open-pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage$34.95
- Twin Air®Fire Resistant Air Filter (152313FR)Air Filter (152313FR) by Twin Air®. This is where it all began. Over 40 years ago, the sandy, gritty soil of The Netherlands - and the resulting engine failures - proved that single-foam and paper filters gave riders air flow, but...Engineered to serve the motocross and ATV industryMade for great performance in the off-road conditions$38.74
- Twin Air®Original Dual-Stage Air Filter (152213)Air Filter (152213) by Twin Air®. This is where it all began. Over 40 years ago, the sandy, gritty soil of The Netherlands - and the resulting engine failures - proved that single-foam and paper filters gave riders air flow, but failed...Engineered to serve the motocross and ATV industryMade for great performance in the off-road conditions$33.33
- Twin Air®PowerFlow Kit (152313C)PowerFlow Kit by Twin Air®. The best filter in the world can't do its job if there are leaks in the seal of the airbox. Twin Air's PowerFlow Kits ensure a leak-proof, fool-proof fit with a rigid, lightweight, billet-aluminum cage that...Engineered to serve the motocross and ATV industryMade for great performance in the off-road conditions$166.20
- Twin Air®Pre-Oiled Air Filter (152213X)Air Filter (152213X) by Twin Air®. For many years, Twin Air Factory Pre-Oiled filters were only available to top professional race teams and OEM customers. The results were so good that Twin Air now offer the same factory treatment to...Engineered to serve the motocross and ATV industryMade for great performance in the off-road conditions$37.85
- Twin Air®Pre-Oiled Fire Resistant Air Filter (152313FRX)Air Filter (152313FRX) by Twin Air®. For many years, Twin Air Factory Pre-Oiled filters were only available to top professional race teams and OEM customers. The results were so good that Twin Air now offer the same factory treatment to...Engineered to serve the motocross and ATV industryMade for great performance in the off-road conditions$41.44
- UNI Filter®Two Stage Air Filter (NU-3230ST)Air Filter (NU-3230ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition$27.80
- K&N®Power Sport Oval Tapered Red Air Filter (2.438" F x 4.5" BOL x 3.75" BOW x 3" TOL x 2" TOW x 4" H) (RE-0961)Universal Power Sport Oval Tapered Red Air Filter (RE-0961) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles,...Designed to increase horsepower and accelerationHigh air flow with excellent filtration$89.99
- K&N®Custom Unique Red Air Filter (7.313" B x 2.625" H) (E-3987)Universal Custom Unique Red Air Filter (E-3987) by K&N®. The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is...Designed to boost horsepower and rate of accelerationWashable and reusable$79.99
- K&N®High Flow Series Panel Air Filter (0.656" H) (KA-2414)Universal High Flow Series Panel Air Filter (KA-2414) by K&N®. K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are...Designed to provide increased horsepower and torquePleated media provides a large filtration area offering long service intervals$64.99
- K&N®High Flow Series Panel Air Filter (1.344" H) (YA-1515)Universal High Flow Series Panel Air Filter (YA-1515) by K&N®. K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are...Designed to provide increased horsepower and torquePleated media provides a large filtration area offering long service intervals$64.99
- K&N®Power Sport Oval Red Air Filter (2" H) (RT-3910)Universal Power Sport Oval Red Air Filter (RT-3910) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles,...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$99.99
- K&N®Power Sport Round Red Air Filter (2.875" ID x 2.438" H) (DU-0202)Universal Power Sport Round Red Air Filter (DU-0202) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles,...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$119.99
- K&N®Power Sport Round Red Air Filter (4" ID x 5.5" OD x 2" H) (RL-320B)Universal Power Sport Round Red Air Filter (RL-320B) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles,...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$99.99
- K&N®Power Sport XStream™ Round Tapered Red Air Filter (2.438" F x 4.5" B x 6" T x 6.125" H) (RX-3810XD)Universal Power Sport XStream™ Round Tapered Red Air Filter (RX-3810XD) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars,...Outstanding protection in harsh dusty conditionsWashable and reusable$199.99
- K&N®Round Tapered Air Filter (3" F x 4.438" B x 3.5" (89mm) T x 5.219" H) (RE-5287)Universal Round Tapered Air Filter (RE-5287) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and...Designed to increase horsepower and accelerationHigh air flow with excellent filtration$79.99
- K&N®Round Tapered Red Air Filter (1.875" F x 3" B x 2" T x 3" H) (RC-1090)Universal Round Tapered Red Air Filter (RC-1090) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors,...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$59.99
- K&N®Tapered Conical Air Filter (5" F x 6.5" B x 11.875" H) (RU-5065XD)Universal Tapered Conical Air Filter by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...Designed to increase horsepower and accelerationHigh air flow with excellent filtration$99.99
- K&N®Universal Clamp-On Air Filter (RU-5294)Universal Air Filter (RU-5294) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$99.99
- K&N®Universal Clamp-On Air Filter (RU-5284)Universal Air Filter (RU-5284) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$59.99
- K&N®Universal Clamp-On Air Filter (RU-70031)Universal Air Filter (RU-70031) by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications$64.99
- Kuryakyn®Standard Hypercharger™ K&N Filter Element (8513)Universal Standard Hypercharger™ K&N Filter Element by Kuryakyn®. Replacement components for Kuryakyn's Standard Hypercharger air cleaner. This top-grade product is expertly made in compliance with stringent industry standards to...Thoroughly developed for unbeatable quality and enduring valueMade with experience and proven by quality$50.36
- BMC Air Filter®Breather Air Filter (FBSA30-40)Universal Breather Air Filter (FBSA30-40) by BMC Air Filter®. The special filtration mesh allows the production of filters with a power up to 700 HP without presenting problems of filter deformation. BMC direct induction conical filters...Made to deliver high performanceProven to deliver excellent quality and reliability$34.00
- BMC Air Filter®Breather Air Filter (FBSA25-40)Universal Breather Air Filter (FBSA25-40) by BMC Air Filter®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made to deliver high performanceProven to deliver excellent quality and reliability$34.00
- BMC Air Filter®Breather Air Filter (FBSA16-40)Universal Breather Air Filter (FBSA16-40) by BMC Air Filter®. The special filtration mesh allows the production of filters with a power up to 700 HP without presenting problems of filter deformation. BMC direct induction conical filters...Made to deliver high performanceProven to deliver excellent quality and reliability$33.00
- BMC Air Filter®Single™ Air Filter (115 mm OD) (FBSA70-150)Universal Single™ Air Filter (FBSA70-150) by BMC Air Filter®. BMC conical filters for direct air intake can be installed on most types of engine by removing the original airbox. BMC direct induction conical filters are manufactured...Single Air with simple lateral air flowTest ran with OEM airbox, and the related air flow constrictions$60.00
- BMC Air Filter®Single™ Air Filter (150 mm OD) (FBSA100-110)Universal Single™ Air Filter (FBSA100-110) by BMC Air Filter®. BMC conical filters for direct air intake can be installed on most types of engine by removing the original airbox. BMC direct induction conical filters are manufactured...Single Air with simple lateral air flowTest ran with OEM airbox, and the related air flow constrictions$59.00
- BMC Air Filter®Single™ Air Filter (150 mm OD) (FBSA76-140)Universal Single™ Air Filter (FBSA76-140) by BMC Air Filter®. BMC conical filters for direct air intake can be installed on most types of engine by removing the original airbox. BMC direct induction conical filters are manufactured...Single Air with simple lateral air flowTest ran with OEM airbox, and the related air flow constrictions$60.00