Air Filters are bike specific and prices vary from bike to bike. Choose your make and model below.
We Take Air Filters Seriously - For over 30 years we've manufactured serious air filters completely unlike traditional disposable filters. Our air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.
The secret to our success - The secret lies in the unique characteristics of our filter medium that was originally developed by K&N all those years ago in the dust, sweat and tears of desert motocross racing. We just wanted to win races and stumbled on a cotton filtration technology destined to be great (by the way there is no truth to the story that the first K&N was made from the blood soaked bandages of a racer left for dead somewhere outside of Las Vegas).
Our high flow cotton gauze air filter is washable - It is washable, reusable and built to last for the life of an engine. The filters consist of four to six sheets of cotton gauze layered between two sheets of aluminum wire mesh. This media is then pleated and oiled to enhance its filtering capabilities and overall performance. The result is an air filter that allows dramatically more air into an engine, is washable and reusable, and will protect your engine for the life of your vehicle.
Replacement Air Filters for all Street Legal Motorcycles - K&N Replacement Air Filters are designed to fit right into the standard OEM airbox. No modifications are required by the owner, no jet changes or adjustment of the carburetors is anticipated or suggested. Customer modification of the standard airbox - removing the cover, drilling holes into the side or top will have a drastic effect on smooth carburetion. Modifications will cause the stock system to run lean and reduce horsepower. Keep your motorcycle stock and the new K&N Replacement Element will be good for the life of the engine.
Air Filters for all Off-Road Dirt Bikes and ATV's - K&N Replacement Air Filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. As a rule, no jet changes are required with just a K&N filter element, however the spark plug condition should be checked for proper mixture after the first few miles of riding. If the airbox has been modified for increased air flow, the main jet size will need to be increased to provide the proper fuel mixture.
The Last Air Filter Your Engine Will Ever Need - We warranty our replacement filters for 10 years or 1 million miles. Why would we do such a thing? Because they are engineered to last the life of your engine. We use only the highest quality materials and never compromise. Every 50,000 miles, we recommend you clean and re-oil our filter, then put it back in your engine and it will perform virtually like new.
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