K&N Filter Carbon Fiber Composite Air Cleaner Lid

From $21.99

• Whether you're interested in improving the appearance of your air cleaner assembly,it's function, or both K&N has got the air cleaner top for you. Whether you choose the Custom 66 Series, the X-Stream Series or the Flow Control Series you can't go wrong with any of K&N's quality choices.
• California Residents: WARNING

K&N Anodized Steel Clips

From $44.99

• AP-251, 2 1/2 Spring CLIP
• California Residents: WARNING

K&N Air Boxes

From $899.99

• Generation 2 Carbon Fiber Air Box
• w/2.5 in. Air Horn
• Incl. Air Horn Seals
• California Residents: WARNING

K&N Filter Custom Plenum Air Filter

From $329.99

• K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.
• California Residents: WARNING

K&N Airforce Pre-Cleaner Foam Filter Wraps

From $149.99

• Extends service interval of your filter in very dusty conditions
• Large open cell foam construction stops 90% of dirt with very low air restriction
• Cleanable with K&N Filter Cleaner or soap and water
• This product wraps your air filter with an additional pre-filter
• California Residents: WARNING

K&N Filter Air Cleaner Base Plate

From $23.99

• Dress up the engine bay of your truck with one of these custom air cleaner bases from K&N
• California Residents: WARNING

K&N Filter Air Intake Adapters

From $25.99

K&N Filter Custom 66 Air Cleaner Assembly

From $429.99

• The Flow Control System utilizes a newly designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world famous K&N Filtercharger for the ultimate in airflow and filtration.
• California Residents: WARNING

K&N Filter Custom Air Filter Base Plate

From $199.99

• Dress up the engine bay of your truck with one of these custom air cleaner bases from K&N. Whether you need a drop base, flat base, or offset base K&N has many choices to make sure you're covered.
• California Residents: WARNING

K&N Filter Custom Titanium Air Filter

From $104.99

• K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.
• California Residents: WARNING

K&N Filter Filter Minder

From $43.99

• The K&N Filter Minder is an air filter service indicator that monitors air filter restriction and indicates when the air filter should be serviced. As the air filter gets dirty, the yellow position indicator moves in the clear window of the service indicator and locks at the highest point. It can be read even after the engine is turned off. Keep your filter working at it's best by keepig tabs on it's flow with the Filter Minder from K&N.
• California Residents: WARNING

K&N Filter Flow Control Air Cleaner Assembly

From $299.99

• The Flow Control System utilizes a newly designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world famous K&N Filtercharger for the ultimate in airflow and filtration.
• California Residents: WARNING