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50 YEARS OF
INNOVATION

QUALITY
PARTS

SECURE
SHIPPING

For over 50 years, K&N® has been an industry-leader in automotive filtration and technology—offering products to increase performance, protection, and longevity in thousands of vehicle applications for consumers worldwide. K&N® offers a wide range of performance products, including air intake systems, oil filters, cabin air filters, and home air filters, with a reputation for exceptional quality and customer service that millions of customers trust. Our creative spirit, passion for pushing limits, and innovative product design form the foundation of our brand.

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BROWSE ALL PERFORMANCE PRODUCTS

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How K&N Validates Horsepower Gains from Intake Systems

Learn more about the horsepower testing and validation process at K&N, and see why K&N is the clear industry leader in testing.

How Much Horsepower Can You Get from a K&N Intake?

Learn more about how K&N intakes work, and the estimated power gain that they offer.

How to Install a K&N Cold Air Intake Kit

Check out this detailed overview of how to install a K&N intake. Spoiler: it’s easier than you think.

A
LEGACY OF
MAVERICK
IDEAS

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BEST-IN-CLASS CUSTOMER
EXPERIENCE

When you shop at K&N, you’re not just getting a product – you’re also getting outstanding customer service and K&N’s industry-leading warranties. We offer a “No-Hassle” Lifetime Limited Warranty for engine K&N air filters, a 10-Year/Million Mile Limited Warranty for air intake systems, and a One Year Limited Warranty for oil filters.

BUY NOW
AT K&N

When you choose K&N, you get more than the best filter on the market – you get our dedication to serving your car or truck. K&N’s air intake filters and other products are engineered to out-perform, offering increased power and longevity you can count on every day. As trusted industry experts, we’re proud to provide a best-in-class customer experience backed by K&N’s extensive customer support network.