S&S CYCLE T/I Air Cleaner - Black - Twin Cam 170-0637A

Increases horsepower and torque across the rpm range using air column inertia and carefully timed gas dynamic pressure waves High flow washable and reusable cotton media filter elements provide performance, protection, and economy Smooth intake tract of carefully selected tuned lengths increases performance Bolt-on performance—over twice the filtering area over stock intake system Made in the U.S.A.