Replacement Motorcycle and ATV Air Filters
  • High Air Flow with Excellent Filtration
  • Designed to Increase Horsepower and Acceleration
  • Washable and Reusable
  • Will NOT Void Motorcycle Warranty
  • Million Mile Limited Warranty on Street Applications
  • Emissions Legal in all 50 US States.
  • Economical, a K&N Air Filter Will Last the Life of Your Motorcycle or ATV
  • Works with Original Equipment Manufacturer Vehicle Electronics
  • Environmentally Friendly, K&N Reusable Air Filters Reduce the Volume of Disposable Air Filters that end up in Landfills

Use Our Application Guide to
Find a K&N Air Filter for Your Motorcycle or ATV!

For over 40 years K&N has been designing and manufacturing performance air filters for the motorcycle and ATV enthusiast interested in maximizing horsepower and acceleration. Our air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.
Replacement Motorcycle and ATV Air Filters
K&N Custom Air Cleaners for Harley-Davidson® Motorcycles

K&N Custom Air Cleaners for Harley-Davidson® Motorcycles

 K&N’s High-Flow Replacement Air Filters are available as a replacement to your stock Harley-Davidson® or Screamin’ Eagle®' air filter element. They are custom designed to fit your specific application and provide your bike with added airflow for increased performance.
K&N Custom Air Cleaners for Metric Cruiser Motorcycles

K&N Custom Air Cleaners for Metric Cruiser Motorcycles

 K&N’s RK Series Complete Intake Assemblies are designed to provide increased horsepower for your metric cruiser. The complete intake assembly provides excellent airflow and smooth delivery to the engine, while delivering performance and filtration over the life of the motorcycle.
XStream Top Air Filters

K&N XStream® Top Air Filters

 K&N XStream Top Filters have become very popular for dirt bikes. They provide a large filtration area to allow more air-flow while the high-low cotton media allows for increased filtration. These elements combine to offer optimum air flow for all performance off-road motorcycles.
ATV XStream Powerlid Air Filter

ATV XStream® Powerlid®

 The ATV XStream Powerlid incorporates a K&N High-Flow Air Filter with an airbox lid that is designed to replace potentially restrictive stock airbox lids and intake snorkels. Use our application search to find a K&N Powerlid for your ATV. Each XStream Powerlid includes a K&N DryCharger® and the necessary carburetor jets to properly tune your ATV.
K&N Dirt Track Air Cleaners for Mikuni 36-38MM Carburetor Motorcycles

K&N Dirt Track Air Cleaners for Mikuni 36-38MM Carburetor Motorcycles

 K&N Dirt Track Air Cleaners are large by design to allow extra dirt holding capacity and reduce restriction. The "D" shaped oval, with the long neck, permits clamping onto the velocity stack in such a manner as not to obstruct the airflow to the velocity stack. To extend service life, add one of our Precharger® filter wraps.
K&N Specialty Filters for Modified Minibikes

K&N Specialty Filters for Modified Minibikes

 K&N clamp-on specialty air filters are designed to increase surface area over foam filters, providing you with high airflow and long service intervals. These High-Flow Air Filters&trad; are designed to increase performance while providing excellent engine protection.