Anti-Reversion AR Shoehorn Air Cleaner 🔥 Developed for our GP Bagger Race Bike, now available to the open market. . With years of experience designing improved cylinder heads, ports, combustion chambers and intake manifolds, brings light to a new bolt-on air cleaner design for Harley-Davidson motorcycles. The Feuling AR air cleaner lengthens the intake and delivers increased velocity and volume into the intake track. . The AR air cleaner features an internal high flow velocity stack at the end