[Stang951]

My so called friend did my exhaust (the same one that didnt do any body work before painting.) and was supposed to run 2.5 pipes all the way to the rear of the car. I never really questioned the size of the pipes (or really looked for that matter) till today, after another friend said that they looked small. I measured the tailpipes and they are 2.25 not 2.5. Is there any advantage to running a 2.5 tailpipe as opposed to 2.25 tails with the rest of the erxhuast at 2.5?

I havent checked the rest of the exhaust yet because I didnt have time to get under the car, but from the pics that I took, I think that the rest of the exhaust is 2.5".
I also need to know if a 2.5 tailpipe will fit over the outside of the muffler exit, or will I have to get a shop to expand the pipe some?