I haven't took my MP3 to the track yet, but I've street raced a couple of times. I first raced a 1996 celica gt w/ exhaust, intake, and headers, beat him by a car from a 20 roll. Next, a 91 civic si hatchback and beat him b 3 cars, then lost by 1/2 car to a 2000 escort zx2, he had headers...