hi guys please advice me on this issue shall i install a heffner catback pipes or shall i keep the stock muffler ? im talkin about only the muffler delete system
and does it realy reduces the engine temp ??
and does it realy gives u a bit of extra boost ??
ADVICE PLEASE
and does it realy reduces the engine temp ??
and does it realy gives u a bit of extra boost ??
ADVICE PLEASE