729DM(DGM) Knucklehead Shotgun Exhaust Systems For 1936 - 1947

1-3/4" Shotgun Exhaust Systems For 1936-1947 Knuckleheadsa shotgun rear pipe that routes over the transmission, bring a modern style and a throaty sound to your 1936 – 1947 Knucklehead. They all have slider channels except the 34" drag pipes, which can be installed with P clamps Part#s (rear pipes only) 729DM Rear Pipe 729DGM Rear Pipe Note: Paughco seconds/swap items are "SOLD AS IS" no warranty or returns accepted. Free shipping on orders over $200.00.