1-3/4" Staggered Dual Exhaust Systems For 1936-1947 Knuckleheads
An outside-the-frame front pipe, and a rear pipe that routes in front of the transmission, guarantee classic style and a throaty sound. These muffler systems have slider channels, and will fit all 1936 – 1947 Knucklehead engines.
729GM 38"-long Goose Cut muffler set
729M 38"-long Slash Cut muffler set
729TM 38"-long Tapered muffler set
429R Rear heat shield for Paughco #729 series pipe sets (not shown)