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 XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just like other K&N Air Filters.

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The cone-shaped 62-1600RD crankcase vent filter has a K&N embossed chrome top and chrome base...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The cone-shaped 62-1600BL crankcase vent filter has a K&N embossed chrome top and chrome base...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1460 crankcase vent filter has a K&N embossed chrome top with a rubber base. The 1-1/2...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1430 crankcase vent filter has a black rubber top and base. The filter is 2-1/2 inches...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1410 crankcase vent filter has a black rubber top and base. The filter is 2-3/8 inches...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1360 crankcase vent filter has a K&N embossed chrome-plated steel top with a black...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1170 crankcase vent filter has a K&N embossed chrome-plated steel top and chrome-plated...

K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1000 crankcase vent filter has a K&N embossed rubber top with a steel base. The 3/8...

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...

The K&N Flame Arrestor makes the best air-filtration technology available for marine engine use. Marine application owners can experience the increased horsepower and engine protection provided by K&N's oiled cotton gauze and epoxied screen filter...