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 Fewer pleats than standard K&N air filters opens up the intake tract Multi-layers of woven cotton gauze media offers excellent filtration Designed to increase power on modified sportbikes Fuel-management modifications may be necessary Washable and reusable, pre-oiled and ready to ride Designed to provide increased performance Made in the U.S.A. for over 50 years Two-ply cotton race filter media Purpose-built for racing