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K&N Engineering - Performance Air Filters, Oil Filters, Intake Systems & More

Founded in 1969 in Riverside, California by racers Ken Johnson & Norm McDonald, K&N Engineering revolutionized filtration with the first washable, oiled cotton High‑Flow Air Filter™, designed to boost airflow while keeping engines cleaner—crafted to be reused for up to one million miles.

Over the next five decades, K&N expanded into bolt-on cold-air intakes (1992), Wrench‑Off oil filters (1988), cabin filters, fuel filters, and home A/C filters—now offering over 12,000 SKUs worldwide. Their 400,000 sq ft Riverside HQ, along with facilities in Texas, the UK, Netherlands, and China, houses advanced R&D with airflow benches, chassis dynos, vibration labs, and NASCAR/NHRA-grade pipelines.

K&N products are dyno-validated, ISO-tested, and built for both professional motorsports and daily drivers. Their renowned Million‑Mile/Million‑Mile warranty and global customer support reflect a legacy of trusted performance. Today, K&N continues to lead in innovation—delivering sustainable, high-performance filtration for millions of vehicles on the road.

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K&N 02-09 Yamaha TDM900 Replacement Air Filter K&N 02-09 Yamaha TDM900 Replacement Air Filter
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K&N 02-09 Yamaha TDM900 Replacement Air Filter
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...
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$76.95
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K&N 96-99 Yamaha TRX850 Replacement Air Filter K&N 96-99 Yamaha TRX850 Replacement Air Filter
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K&N 96-99 Yamaha TRX850 Replacement Air Filter
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...
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$52.95
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K&N 04-09 Yamaha XT660R/XT660X Super Replacement Air Filter K&N 04-09 Yamaha XT660R/XT660X Super Replacement Air Filter
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K&N 04-09 Yamaha XT660R/XT660X Super Replacement Air Filter
K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally,...
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$46.95
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K&N 98-03 Yamaha FZS600 Fazer 600 Replacement Drop In Air Filter K&N 98-03 Yamaha FZS600 Fazer 600 Replacement Drop In Air Filter
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K&N 98-03 Yamaha FZS600 Fazer 600 Replacement Drop In Air...
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...
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$67.95
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K&N 20-22 Yamaha T-Max Replacement Air Filter K&N 20-22 Yamaha T-Max Replacement Air Filter
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K&N 20-22 Yamaha T-Max Replacement Air Filter
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...
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$50.95
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K&N 08-11 Yamaha FZ16 153 / 09-11 FZ150 Fazer Replacement Air Filter K&N 08-11 Yamaha FZ16 153 / 09-11 FZ150 Fazer Replacement Air Filter
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K&N 08-11 Yamaha FZ16 153 / 09-11 FZ150 Fazer Replacement...
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...
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$44.95
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K&N 05-09 Yamaha MT01 Air Filter K&N 05-09 Yamaha MT01 Air Filter
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K&N 05-09 Yamaha MT01 Air Filter
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...
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$46.95
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K&N 2015 Yamaha Exciter T150 Drop In Air Filter K&N 2015 Yamaha Exciter T150 Drop In Air Filter
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K&N 2015 Yamaha Exciter T150 Drop In Air Filter
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...
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$55.95
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K&N Yamaha XJR1300 2007-2012 Replacement Air Filter K&N Yamaha XJR1300 2007-2012 Replacement Air Filter
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K&N Yamaha XJR1300 2007-2012 Replacement Air Filter
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...
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$67.95
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K&N Yamaha YZF R125 2019 Replacement Air Filter K&N Yamaha YZF R125 2019 Replacement Air Filter
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K&N Yamaha YZF R125 2019 Replacement Air Filter
K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally,...
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$55.95
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K&N 15-19 Yamaha GPD 125 NMAX Replacement Drop In Air Filter K&N 15-19 Yamaha GPD 125 NMAX Replacement Drop In Air Filter
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K&N 15-19 Yamaha GPD 125 NMAX Replacement Drop In Air...
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...
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$46.95
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K&N 17-18 Suzuki Raider 150 147cc F/I Replacement Air Filter K&N 17-18 Suzuki Raider 150 147cc F/I Replacement Air Filter
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K&N 17-18 Suzuki Raider 150 147cc F/I Replacement Air Filter
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...
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$55.95
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K&N Filter Wrap Drycharger Oval Tapered Black - 3.75in Base I/S Width x 3in Top I/S Width x 4in H K&N Filter Wrap Drycharger Oval Tapered Black - 3.75in Base I/S Width x 3in Top I/S Width x 4in H
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K&N Filter Wrap Drycharger Oval Tapered Black - 3.75in Base...
K&N SnowCharger filter wraps are the pre-filter answer to all the snow that wants to pack down into the pleats of your snowmobile air filter....
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$25.95
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K&N 3.75 Inch OD 2.438 Inch ID 4 inch H Round Tapered Universal Air Filer K&N 3.75 Inch OD 2.438 Inch ID 4 inch H Round Tapered Universal Air Filer
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K&N 3.75 Inch OD 2.438 Inch ID 4 inch H...
If you require good clean air and lots of it, K&N Clamp-on filters are your best bet for improved performance! Universal in style, K&N snowmobile...
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K&N 3.75 Inch OD 2.438 Inch ID 2 Inch Angled Flange 5 Inch H 3 Inch Top OD Round Tapered Univ K&N 3.75 Inch OD 2.438 Inch ID 2 Inch Angled Flange 5 Inch H 3 Inch Top OD Round Tapered Univ
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K&N 3.75 Inch OD 2.438 Inch ID 2 Inch Angled...
If you require good clean air and lots of it, K&N Clamp-on filters are your best bet for improved performance! Universal in style, K&N snowmobile...
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$55.95
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K&N Universal Air Filter - Round Tapered - 3in Top OD x 3.75in Base OD x 6in H x 2.438in Flange ID K&N Universal Air Filter - Round Tapered - 3in Top OD x 3.75in Base OD x 6in H x 2.438in Flange ID
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K&N Universal Air Filter - Round Tapered - 3in Top...
If you require good clean air and lots of it, K&N Clamp-on filters are your best bet for improved performance! Universal in style, K&N snowmobile...
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$55.95
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K&N Filter Universal X Stream Clamp-On 2 3/4 inch Flange 6 inch Base 5 inch Top 6 1/2 inch Height K&N Filter Universal X Stream Clamp-On 2 3/4 inch Flange 6 inch Base 5 inch Top 6 1/2 inch Height
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K&N Filter Universal X Stream Clamp-On 2 3/4 inch Flange...
K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter...
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$117.95
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K&N Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID/4in OD/5.969in H K&N Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID/4in OD/5.969in H
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K&N Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID/4in...
K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter...
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$168.95
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K&N Universal X-Stream Clamp-On Air Filter 3.5in Flg ID/4in OD/5.75in H K&N Universal X-Stream Clamp-On Air Filter 3.5in Flg ID/4in OD/5.75in H
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K&N Universal X-Stream Clamp-On Air Filter 3.5in Flg ID/4in OD/5.75in...
K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter...
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$100.95
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K&N Universal X-Stream Clamp-On Air Filter 3.313in Flg ID/4.875in Base OD/4in Top OD/4.25in H K&N Universal X-Stream Clamp-On Air Filter 3.313in Flg ID/4.875in Base OD/4in Top OD/4.25in H
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K&N Universal X-Stream Clamp-On Air Filter 3.313in Flg ID/4.875in Base...
K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter...
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$117.95
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K&N 2-7/16in flg 4-1/2in b 6in t 6-1/8in h Extreme Duty K&N 2-7/16in flg 4-1/2in b 6in t 6-1/8in h Extreme Duty
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K&N 2-7/16in flg 4-1/2in b 6in t 6-1/8in h Extreme...
K&N XD air filters use a Deep Pile Design, Extra Fine Weave Grade Cotton and alternate geometries for added efficiency and capacity for off-road conditions....
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$160.95
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K&N Filter Universal X Stream Clamp-On 2.438in Flange ID x 4.5in Base OD x 4in Top OD x 6.563in H K&N Filter Universal X Stream Clamp-On 2.438in Flange ID x 4.5in Base OD x 4in Top OD x 6.563in H
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K&N Filter Universal X Stream Clamp-On 2.438in Flange ID x...
K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter...
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$76.95
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K&N Universal Clamp-on Air Filter 2in Flange ID 5-3/16in Base 3-1/2in Top 3-11/16in Height w/ Vent K&N Universal Clamp-on Air Filter 2in Flange ID 5-3/16in Base 3-1/2in Top 3-11/16in Height w/ Vent
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K&N Universal Clamp-on Air Filter 2in Flange ID 5-3/16in Base...
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 applications....
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$76.95
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K&N Universal Tapered Filter 3.156 Flange ID x 5.781in Base OD x 3.5in Top OD x 4.531in Height K&N Universal Tapered Filter 3.156 Flange ID x 5.781in Base OD x 3.5in Top OD x 4.531in Height
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K&N Universal Tapered Filter 3.156 Flange ID x 5.781in Base...
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 applications....
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$76.95
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