Kuryakyn Pro-Series Hypercharger with Chrome Butterflies 9300 Dyno and race track proven kuryakyn hypercharger The body is 1/2in. wider and nicely contoured 1-piece construction, ball-milled speed lines, symmetrical butterflies and pro embossed bearing cups Convex glass provides a wider field of view. Hardware for a variety of harley-davidson? mounting applications is included.