Performance Header Pipe, stainless steel, mounting spots for original heat shield, diam. 40mm, connection 38mm, brushed (without approval) Application: TT500’77-, XT500’77- For noticeably more power in the middle and upper speed range, but not quite as extreme as our 41.5 manifold designed for speedAbsolutely rust-proof, HD flange and tube made of high-quality stainless steel, German production92068S: Additionally provided with a black high-temperature special coating for an original lookMounting points for the original heat shield are availableEnd pot connection 38mm, suitable seal see K91176