K&N Custom Air Filter Round 4.5in ID / 5 875in OD / 3.25in Height - E-3190

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of...

K&N Custom Air Filter Round 4.5in ID / 5.875in OD / 1.75in Height - E-3180

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter Round 2.875in ID x 3.875in OD x 2in Height - E-3120

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter Round Tapered 2.688in Height - E-3042

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with...

K&N Replacement Element for RK-3929 Custom Air Filter - E-3040

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable...

K&N Custom Air Filter Cotton Guaze 13inOD x 11-1/4inID x 6inH - E-3036

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of...

K&N 05-06 Toyota Tundra / Sequoia V8-4.7L Replacement Drop In Air Filter (For P/N 57-9027) - E-3034

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter Cotton Gauze 13 1/2in x 6 9/16in B / 13in x 6 1/6in T / 7in H - E-3033

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. This air filter is washable and reusable and it is custom designed to fit into...

K&N Custom Air Filter Cotton Gauze 14inOD x 12 1/4inID x 2inH - E-3032R

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N...

K&N Air Filter Round 14in OD x 12-1/4in ID x 4in H - E-3031R

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N...

K&N Custom Air Filter Round 12.25 inch ID 14 inch OD 3.5 inch Height - E-3029R

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N...

K&N Custom Air Filter Round 12.25 inch ID x 14 inch OD x 3 inch Height - E-3027R

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N...