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K&N Filters

K&N ATV & Motorcycle Air Filters

K&N Powersports ATV & Motorcycle Air Filters

Use Our Application Guide to
Find a K&N Air Filter for Your Motorcycle!
  • High Air Flow with Excellent Filtration
  • Designed to Increase Horsepower and Acceleration
  • Can be washed and reused
  • Will NOT Void Motorcycle Warranty
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Emissions Legal in all 50 US States.
  • Will Last the Life of Your Motorcycle
  • Works with Original Equipment Manufacturer Vehicle Electronics 
  • Eco Friendly: K&N Air Filters Reduce the Volume of Disposable Paper Air Filters that end up in Landfills

 

We Take Air Filters Seriously - For over 40 years we’ve manufactured serious air filters completely unlike traditional disposable filters. Our motorcycle 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 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 wanted to win races and stumbled on a cotton filtration technology destined to be magnificent. Our high flow cotton gauze air filter is washable, reusable and built to last for the life of your vehicle. 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 motorcycle.

K&N High Flow Air Filters

Replacement Air Filters for Street Legal Motorcycles - K&N Replacement Motorcycle 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 Off-Road Dirt Bikes and ATV's - K&N Replacement Motorcylce 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.

K&N Replacement Air Filter Information by Part Number.  Series: 33, AC, AL, AT, BM, DU, E, HA, HD, KA, SU, YA.

K&N Manufactures Air & Oil Filters for many of the motorcycle manufactures below:

BMW
BSA
BUELL
CAGIVA
CAN-AM
DUCATI
HARLEY DAVIDSON
HONDA
HUSABURG
HUSQVARNA
KAWASAKI
KTM
LAVERDA
MBK
MOTO-GUZZI
MZ
NORTON
PEUGEOT
POLARIS
RIDLEY
SACHS
SUBARU
SUNBEAM
SUZUKI
TRIUMPH
YAMAHA
APRILIA
ATK
BIMOTA
K&N Motorcycle Air Filters

 
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