Kuryakyn Pro Series Hypercharger Chrome Harley Davidson XL Sportster 2007-2012 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 Inner surfaces have been smoothed and relieved to work with the added air cleaner surface area for i Chrome body with chrome butterflies