Chris MacAdams 2
Active Member
im looking to get an 04 mustang GT, and im gonna put a cat-back system and CAI and i want to take the xcal off my ST and have it retuned for the GT, i wanted to know if anybody has done this or if it is even a good idea, if you have done it where did you send it to get it tuned, or is there a better tuner or flasher for a mustang