so i have a vespa ninja pipe, which somehow i put a small dent in the header (its not too bad) but anyways after much testing ive realized that its designed for the really large displacement kits, or just for RPM's that I cant seem to get into just yet. My 50 kit seems to like it better than the 64 parma, thats for sure.
looking to trade for another pipe. anything i guess. whatever you got