K N Race-Spec Air Filter GSXR600/750 SU-7506R

Fewer pleats than standard KN air filters opens up the intake tract, Designed to increase power on modified sportbikes, Fuel-management modifications may be necessary, Made in the U.S.A. for over 50 years, Two-ply cotton race filter media, Purpose-built for racing, Designed for Closed Course and Competition use