Well there was a gt500 yesterday at Milan unfortinately I dropped the ball a lil and didn't check it out Up close but outta his 3 runs he only heated his tires up on the 3rd run still didn't launch hard appeared to be stock tires and def wasn't shifting hard and ran I believe a 11.4xx @12x it was def impressive given how smooth it looked running 11s not even hammering on it. Def wish I was a lil older and had the money and room for another car