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K&N Universal Air Filters

K&N Universal Air Filters
  • Designed to Increase Horsepower & Acceleration
  • Simple Clamp-On Design
  • Hundreds of Shapes & Sizes for Most Applications
  • High Flow Air Filter with Excellent Filtration
  • Washable & Reusable Air Filter Media
  • Malleable Flanges
  • Comes with a One Year Limited Warranty

K&N Clamp-On Universal Air Filters

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications. Regardless of the angle, offset diameter of the air intake, there is a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16" (1.5mm) to fit in-between sizes. K&N Universal air filters are available in round, tapered (cone style) and oval designs, for just about any special application. Select a universal filter type below to view the sizes that are available.

Select a universal air filter type below to see a list of all air filters for that type.



K&N Custom Made Air Filters

K&N Custom Air Filter Program

The K&N Custom Air Filter Program was designed to help consumers with their unique air filter needs. If you don't see an existing universal air filter that will fit your specific need, simply call K&N Customer Service and ask about our Custom Air Filter Program.


These universal air filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles.

A K&N® universal air filter is specially designed for clamp-on applications such as cold air intakes, race engines, show vehicles, or industrial applications. This product is not street legal on vehicles with regulated emission control systems unless it is used as a direct replacement air filter for a street legal intake system. This high-flow washable universal air filter is designed to increase horsepower and torque.

Hundreds of K&N® universal air filter sizes are available for almost any application.