Air Filters - Drop In

Precision-woven, 304 stainless steel, outer-screen construction offers triple-layer protection and increased air flow over stock filter, which may require re-jetting or re-mapping. The 'triple-layer protection' contains two epoxy-coated layers of strong...

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs. These assemblies come with custom chrome top and base...

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 just a K&N filter element. K&N replacement air filters are...

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 just a K&N filter element. K&N replacement air filters are...

BMC 2020+ Jeep Wrangler IV JL / Gladiator JT 3.0L V6 Panel Air Filter

BMC 2023+ Nissan 400 Z (Z35) 3.0L V6 Panel Air Filters

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 just a K&N filter element. K&N replacement air filters are...

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 increase in horsepower. Each performance air filter is...

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 increase in horsepower. Each performance air filter is...

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 increase in horsepower. Each performance air filter is...

The K&N E-4964 replacement air filter is constructed using an oil-free synthetic media for superior filtration. This air filter can be washed and reused. The E-4964 is easy to install and is custom designed to fit right into the factory air box of some...

The K&N E-4655 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused. The E-4655 is easy to install and is...

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 racing air filters are washable and reusable and come with...

BMC 2023+ BMW R 1300 GS Oiled Panel Air Filter

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 increase in horsepower. Each performance air filter is...