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AIR FILTERS

K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media, engineered to provide exceptional engine protection and increase performance. Protect your engine with the filter that millions of drivers have trusted since 1969, from off-road to the on-ramp.

DESIGNED FOR HIGH PERFORMANCE & PROTECTION

WASHABLE, REUSABLE, AND ENGINEERED TO LAST

K&N engine air filters are designed to be washable, reusable, and last for the life of your vehicle. The premium filter design incorporates multiple layers of proprietary cotton gauze media and a specially-engineered oil, originally designed for the demands of the racetrack, and now custom-engineered for your vehicle. Tested, proven, and trusted for over 50 years, millions of drivers rely on K&N air filters to help protect their engines from premature wear. Use our simple vehicle selector to view the filters compatible with your year, make, and model.

TOUGH FOR A LIFETIME

TOUGH FOR A LIFETIME

Unlike disposable filters which must be frequently replaced, K&N® High-Flow Air Filters™ are washable, reusable, and engineered to last for the life of your vehicle. Feel confident in your purchase with a "No-Hassle" Lifetime Limited Warranty.
No need to spend money every year for a new filter. Just clean and put back in.
– Wes from Southern California

ENGINEERED
FOR PERFORMANCE

Originally designed for high-performance on the racetrack, now custom-designed for your vehicle make and model. K&N® air filters are tested on a SuperFlow flow bench to ensure increased airflow over a stock filter. View testing data for many K&N filters on individual product pages.
I noticed improved gas mileage immediately and a much nicer turbo sound from the engine.
– Joe from West Virginia
Install in less than an hour icon
Top Quality Engineering

PROTECTS YOUR ENGINE

K&N’s state-of-the-art filter features thousands of microscopic cotton fibers, and an innovative design of layered, oiled cotton media helps to capture dirt and shield your engine from contaminants. Each filter design is tested in an ISO 5011 laboratory to ensure excellent filtration efficiency for outstanding engine protection.
Better air flow and protection for your motor. It's the first thing I put in all my vehicles.
- Todd from Kansas

PROVEN ON THE TRACK

K&N's performance cotton filter design has been tested and perfected over the past five decades, in everything from NASCAR race cars, top-fuel dragsters, and commuter vehicles. Millions of drivers continue to trust K&N's air filters for their proven performance and American-made quality.


There is a noticeable difference in the power/response when I accelerate.
– Rob from Illinois
More Engine Growl
Clean every 100,000 miles

INSTALLS QUICKLY & EASILY

Engineered to fit easily into your factory air box as easily as any other air filter. Typically installs in less than five minutes with no tools necessary.
Perfect fit, if you don't have one you need one. Your missing out on better mileage and horsepower.
– G from New Mexico

REDUCES WASTE

Over 100 million disposable air filters and their packaging waste end up in landfills each year. Choosing a washable, reusable product that lasts for the lifespan of your vehicle helps to reduce unnecessary waste.
I used K&N filters in my last 6 vehicles including my current three. I like the added power I get from the filters and the ease of maintenance.
– Rick from New Hampshire

Clean every 100,000 miles

The Original Oiled Filter Design

CUSTOM COTTON FILTER MEDIA

Four or six layers of pleated cotton filter media act as a physical barrier to contaminants, with pleats specifically engineered to provide a large capturing area.

Custom Cotton Filter Media

THE MAGIC SAUCE - RED 201 FILTER OIL

The original red filter oil is what separates K&N filters from the pack. The tacky oil helps trap—and hold—dirt and contaminants, keeping them in the filter and out of your engine.

k&n red filter oil

DURABLE URETHANE FRAME

Liquid urethane is custom-poured and cured for a guaranteed fit, and engineered to last for a million miles of use.

liquid urethane frame

EPOXY-COATED SCREEN MESH

Pleated mesh protects both sides of the cotton filter media and provides a sturdy structure for long-lasting durability.

pleated epoxy screen  mesh

CNC-MACHINED ALUMINUM FILTER MOLDS

Designed using advanced software and precision-milled from billet aluminum for a repeatable level of premium quality.

K&N aluminum filter molds


SHOP BY SPECIALTY FILTERS

car air filters

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industrial engine air filters

INDUSTRIAL/
SMALL ENGINE FILTERS

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racing air filters

RACING AIR FILTERS

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crankcase vent breather filters

CRANKCASE VENT AIR/BREATHER FILTERS

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