Air Filters

The K&N Composite Top and Flange Universal Air Filter is unique in its carbon fiber top and flange that provide outstanding strength with minim...

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

The RP-5161 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. Th...

The RP-5135 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top and carbon fib...

The RP-5115 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top and bottom for strength and dur...

The RP-5113 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. Th...

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

The RP-5103 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top and base for s...

The RP-5070 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a vented K&N embossed carbon fiber top and car...

The RP-4980 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength a...

The RP-4970 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. Th...

The RP-4660 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength a...

The RP-4630 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength a...

The RP-4600 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. Th...

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your...

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your...

K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow a...

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your...

Maximize your Harley-Davidson's performance with a K&N High-Flow Air Intake System. This premium intake replaces the factory air cleaner with K...

The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dust...

K&N custom air cleaners are designed for use on older Harley-Davidson motorcycles. With proper carburetor calibration, these custom air cleaner...

Upgrade your Harley-Davidson with a K&N High-Flow Air Intake System, engineered for riders who demand both performance and style. This complete...