Hi there, I have an 04 Grand Prix gt and tomorrow i was planning on changing my exhaust. i got a pontiac g8 gxp factory exhaust form a friend for free. i was wondering would it mount right up to where mine is. it is from the cat back. i believe the pipe size on my car is 2.5 inch and could anyone tell me if that is the same size as a g8's factory exhaust size. are the hangers and mounting brackets the same, will they line up and hang correctly??
please answer! really hoping for this to mount up right