Not sure which 2007 Hummer H2 Performance Chips & Programmers are right for you? We have over 165 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Kris K from lumberton, TX said, "Easy to install. Took about 5 minutes to install. Makes the vehicle run a lot smoother but not much improvement on the MPG's."
Year Range For Hummer H2 Performance Chips & Programmers