Hi lads,was thinkin about changin my standard exhaust for sometin with a bit of rumble but im fearin the worst as mine is an auto and mite sound shitty goin through gears,anyone here have a auto with an exhaust an what they sound like?im lookin for sometim that will past nct also that fits strsight to my standard centre section,also do I necessarily need to get it mapped after I fit?
