Originally Posted by 98SOM_T/A
how much to be gained from going to a stock exhaust w/muffler
to a full 3inch turbo backsetup with a non restrictive muffler?
on a T25 with the BCS removed
Not to be an ass, but you are really worrying way too much about little things that do not matter.
Get the exhaust, whether it be 2.5 inch or 3, its just preference really.