exhaust+ bumper
 

if i get the mac exhaust will it fit in the stock v6 rear bumper or will i have to get it prof. cutted or a gt bumper? if so how much do u think this will cost (est.)

it will fit, the tail pipes will come out under the rear bumper.

on my exhaust the tips were adjustable for either under the bumper(V6's) or fit into the cut out(GT's)