Drag Pipes Exhaust for Harley-Davidson Sportster 2007-Up with Hi-Sensor Bungs Drag Pipes Slash Cut Pipe Set for Harley Sportster with Hi-Sensor Bungs Classic lines, great sound and affordable price. 1-3/4" O.D. 40" Long Chrome mounting bracket and hardware included.Fits Harley-Davidson Sportster 2007-Up models with Hi-Sensor bungs and also works with 2004-06 models. *Product ID = 421