V-Twin Mfg. Replica Y Exhaust Header Pipe For Harley FL EL 1936-1957 Replica exhaust system components are produced by V-Twin's own exclusive tooling. New fixtures and dies are used to manufacture all 4 pieces. Best fitting pipe in the industry, period! Replica header pipes are produced with V-Twin's proprietary tooling. Features 10-1/2 Long Pipe tubing is 1.2mm thick Factory style saddle Features detail construction, including offset bend