Chrome housing and chrome butterflies. This is without a doubt the best flowing Hypercharger. The outer cover incorporates an additional airscoop to direct air into a high-flow, washable foam filter element that seats in the end of the round K&N filter element. The Pro-R Hypercharger is capable of supplying enough air to even the highest output street engines. Vacuum controlled butterflies optimize air intake through the 'ram' effect created by air pressure built-up during riding conditions. - CV (Constant Vacuum) carburetor / Delphi injection bolt pattern - For use with up to 140 horsepower engines - Incl. installation hardware - Incl. K&N high flow filter element Note: Replacement K&N filter element available as 544615. Note: Willl also fit Screamin' Eagle 40 or 44mm CV carbs.

Fits: > 99-06 Twin Cam with CV Carb; 06-17 Twin Cam with Delphi EFI (excl. e-throttle models)