Kuryakyn Pro-R Series Hypercharger Chrome Harley Davidson XL Sportster 2007-2012 Capable of supporting engines that produce up to 140+ hp The interior shapes, especially the critical radius leading into he carb or throttle body, have been The outer cover incorporates an additional scoop to direct air nto a high-flow, washable foam filter The filter assembly is capable of supplying enough air to even he highest output street motors The frontal opening is huge and as all hyperchargers, the vacuum operated butterflies allow almost u