I just picked up a 2011 GT Premium, 3:73 rear end, Brembo package! I was shocked when I drove it the first time! It was way faster than I had expected. I've always been a Firebird guy.....transfomation successful! I added the Borla ATAK exhaust along with the Steeda cold air intake and the SCT power programmer. I just wish someone would pull up next to me at a light so I can really test it out!