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WHAT MAKES THE WORLD'S BEST AIR FILTER?


Up to 50% more airflow* than a paper air filter.

Engineered to increase horsepower, and designed to feed your engine clean air—not dirty air.

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oil filters

*Up to 50% more airflow than a traditional disposable paper air filter.

NEW AND NOTABLE IN THE WORLD OF K&N


k&n giveaway and prizes

50 Days of Giveaways: Win Swag & Help K&N Celebrate Fifty Years as the Maker of The World’s Best Air Filter™

k&n's cofounder norm mcdonald

An Interview with K&N Co-Founder Norm McDonald: The Earliest Years of K&N

k&n filter product group

New Intake Systems, Air Filters, Oil Filters, and More Released in July

Events and Races

Events

Events & Races

Looking for the nearest rally or race? Check out our event page