as above ive got a 4inch apexi exhaust cat back on my car which is too over kill for my gts so wanting a 3inch, its got a box on it befor the back box which has been cut open and baffels removed im guessing, im in cheltenham, what ya got, ideally i want it to have a 4inch tail pipe but meh not massivly fussed aslong as its 3inch all the through cheers!!
