Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

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 Custom Air Filters for Weber 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. Show quality to fit racing vehicles with VW, Pinto or any other...

Spectre's polished aluminum inline airbox with air filter has a 3 inch inlet and outlet. This cylindrical air box has an outside diameter of 4 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Spectre's polished aluminum inline airbox with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outide diameter of 5 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.