Feuling Parts Slim BA Air Cleaner Kit - Black - Black Filter - '93-'99 EVO Big Twin500096764 Product Description Slimmer cage to give riders more right side leg clearance Slim BA air cleaner cage is 2. 375 H With years of experience designing improved cylinder heads, combustion chambers and intake manifolds, Feuling brings light to a new bolt on air cleaner Developed and designed on the flow bench, dyno tested and track proven Impressive horsepower and torque gains on any engine and exceptional gains seen on engines running modified