Not sure which 2008 Chevy Avalanche Performance Chips & Programmers are right for you? We have over 7429 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"The programmer was very easly to install. The overall performance seams to be much better and the gas milage has increased about 2 miles to the gallon on the road. Got 680 miles it so far" —James B from Callahan, FL bought a Hypertech Max Energy Programmer for a 2008 Chevy Avalanche, 5.3L V8.