first ill tell you a little about my banshee i have a 1999 yamaha banshee with a kan air filter boost bottle tors eliminator kit fresh rebuild and that's it well i today i put my pro circuit platinum on from reading on here i was told a 310 main would be a good try so that's what i started with , and with no airbox lid it runs great and plugs look clean i when i pulled them no hears my qs ....... bike use to idle low and now it wont idle unless its warm then it will for a few seconds also i noticed my right pipe is a little hotter than the left one also its bogs a little when its not warmed up but after it warms up its fine any ideas or is all this normal .... also who makes some hangers for the pros thanks alot