the goldish colred welding on the pipe mounting tab is actually brazing...which is a brass alloy....im not sure why they did this on the handmade pipes, but my cone pipe like yours has the same thing, and i know PSI's pipes are like that too, i have one on my sled....its definatley handmade, by who? is the question!
1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...