2-into-1 equal-length headers Stepped 1-3/4ö to 1-7/8ö headpipes Utilizes an advanced inner collector for maximum performance Partial stainless steel heat shields Hand TIG welding 18 mm 02 bungs with 12 mm adapters Limited edition 50th anniversary badging on muffler Does not fit with passenger pegs Made in the U.S.A.. EXHAUST 2:1 SS FXBB 50TH