I have just installed Manic stage 1 to my Countryman S ALL4 and looking for
a catback exhaust that enhances the pop and burbles.
what are good reasonable options with no engine check light?
and how much horsepower should i gain from a catback exhaust?
a catback exhaust that enhances the pop and burbles.
what are good reasonable options with no engine check light?
and how much horsepower should i gain from a catback exhaust?
