well me and my buddy decided to line them up lol. mine is 2012 m6 stock, and his is 02 zo6 with catback,varam ram air cai. we pulled out on the highway and did 3 roll races from 50 to 120. first race he 3 beeped and pulled my a car and we shut down at 100 car in the way lol. second race was 55ish and i was rite beside him till the shift and he missed 3rd. and the last race was another roll 60 and he got me my a car.. he said he beets up his dads 07 gt 500 worse than he pulled my car. i was pretty impressed with the outcome..