K&N Air Filter Cm-9017 K&N Air Filters redefine engine performance with an innovative design focused on unrestricted airflow and filtration. Developed during desert motocross racing, their unique filter medium consists of high-flow cotton gauze layered between aluminum wire mesh. Washable and reusable, these filters are built to last. Engineered for superior protection against dirt and dust. Safeguard your ride with K&N Air Filters. Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit Fuel-management modifications are not required for increased performance Pleated media provides a large filtration area offering long service intervals Washable and reusable, pre-oiled and ready to ride Designed to provide increased performance Made in the USA