Originally Posted by 671stang
How can you check if the rear end has been changed out I wanna swap out to a gt rear end but idk if it has been swapped . My car gets off the line quick Also need some tuning pointers I just had a true duel exhaust flow master thunder kit put in
Like the person above me said the easiest and lost fun way to find out is to roast the tires and see if they both lock. If they both lock then you're good to go.
As far as tuning you won't need any tune for just exhaust. Honestly you won't need to tune for anything unless you do drastic intake changes such as try to put a huge MM tb/ upper plenum or do internal engine/ head and cam work or go with forced induction. Also you might wanna use a tuner to correct the speedo after a gear swap or to turn off rear 02s after switching to an o/r pipe.
2016 Comp Orange GT (current)
Aurora - 2002 Boosted GT! (Sold, sadly)