Car has a Flowmaster American Thunder Axleback also. JBA Pipe fit well with no modifications. Only problem was the cat delete pipes were labeled wrong (labeled "passenger" when it was the drivers side pipe). Car is Bama tuned.
2011 Mustang GT Flowmaster American Thunder Axleback and JBA Offroad Xpipe - YouTube
Nick
2011 Mustang GT Flowmaster American Thunder Axleback and JBA Offroad Xpipe - YouTube
Nick