Its OK. It goes quicker from 20-60 than 0-15mph. I ran mine (285/75/20 tires, CAI, exhaust) down the 1/4 miles. 17.xx at 88mph. The stock tuning makes for HORRID torque management before 10mph. Once past 10mph, torque management starts to loosen up. I'll get a Diablo Sport tuner if I don't sell...