Dual Slash Black Tips Drag Pipes Exhaust for Harley-Davidson Sportster 1957-85 Drag Pipes Dual Slash Cut Pipe Set for Harley Sportster with Black Billet Tips Inserts Classic lines, great sound and affordable price. 1-3/4" O.D. 40" LongFits Harley-Davidson Sportster 1957-85 models. *Product ID = 423