& who do know that can custom make headers & Y pipe for me g6 gxp 3.6 or exhaust shop that can make custom headers cu I can get & use Malibu max cat back stainless steel exhaust it will fit my g6 gxp but I want to do the whole thing like I said make it a sleeper without anyone knowing it’s that fast & badass lol thanks again I appreciate all you guys information & feedback & help I really do