TOP QUALITY ENGINE PROTECTION & AIRFLOW
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 incorporatesmultiple 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 withyour year, make, and model.
LIFETIME USE DESIGN
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.
DESIGNED TO PERFORM
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.
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HELPS PROTECT 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.
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PROVEN IN EXTREMES
In the early 1960s, two dirt-track motorcycle racers came up with a revolutionary filtration idea, and the K&N oiled cotton filter was born. That same 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.
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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.
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.
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FILTER CLEANING SUPPLIES
Use specially formulated filter cleaner to help restore your filter’s particle capturing capability quickly and easily.
TESTED, PROVEN, TRUSTED
Our exclusive design provides a large surface area for enhanced airflow and dust capacity, which helps protect an engine from harmful submicron particulates. K&N car air filter designs are tested in an ISO 5011 laboratory to ensure excellent filtration efficiency and outstanding engine protection. Shop with confidence with our "No-Hassle" Lifetime Limited Warranty.
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.
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.
DURABLE URETHANE FRAME
Liquid urethane is custom-poured and cured for a guaranteed fit, and engineered to last for a million miles of use.
EPOXY-COATED SCREEN MESH
Pleated mesh protects both sides of the cotton filter media and provides a sturdy structure for long-lasting durability.
CNC-MACHINED ALUMINUM FILTER MOLDS
Designed using advanced software and precision-milled from billet aluminum for a repeatable level of premium quality.
TRUSTED SINCE 1969
There’s a reason top racers trust K&N® to protect their trophy trucks in the Baja 1000, premium racecars in 24 Hours of Le Mans, million-dollar NASCAR engines, and high-horsepower dragsters: K&N® air filters let airflow in, and keep dirt out. Designed for the racetrack—made for your vehicle. Layered, oiled cotton media provides up to 50% more airflow than traditional paper air filters, which can provide an increase in horsepower. The durable filter frame and media is designed to last for the entire lifespan of your vehicle, and is protected by a 10-Year/Million Mile Limited Warranty.
“ABSOLUTELY LOVE IT, BIKE BREATHES SO MUCH BETTER. LESS LAG ON TAKEOFF. IT'S AMAZING, AND I DEFINITELY NOTICED THE HP GAIN WHEN I GET ON THE THROTTLE. MY BIKE WENT FROM AN ANIMAL TO A MONSTER. THANKS K&N!”
— TERRENCE FROM PENNSYLVANIA, K&N AIR FILTER
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OUR STORY
WHY K&N?
K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!
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