The exhaust is a catted Bassani X pipe with Borla Stingers in case anyone is wondering. He is now running a Bassani offroad X pipe. Sounds even meaner.
Yes that was at Mustang Week a couple years ago. There is also a video of a KB Cobra doing the same exact thing leaving Mustang Week. I'll find the videos quick and post them up for anyone that might not of saw them yet.