Reviewed By Raymond G (JESUP, GA) Reviewed for a 2007 Chevy Avalanche —3/13/2018 5:51 AM
Product does what it is listed doing. Tunes your 5.3 AFM to stay in 8 cylinder mode full time. Great product.
Reviewed By Diego P (milpitas, CA) Reviewed for a 2003 Chevy Avalanche —3/18/2017 10:25 AM
I order the hypertech max tunner for my 03 chevy avalanche 2500 with the 8.1 litter, just to get a little bit more power and mpg, and I was surprised with the results I haven't gone to a Dyno but I definitely feel increase in acceleration and my mpg went up 3mpg more witch is great for the price.
Reviewed By marcus g (Edwardsville, IL) Reviewed for a 2007 Chevy Avalanche —2/18/2017 5:27 PM
This performance module was key to all of my MODs performing as they should. The throttle response is crisp and when pulling through the RPMs and it feels strong. The shift points are higher feels much more performance oriented. My MODs include, Jet Performance Module stage 2, Jet Performance throttle body, full cold air intake, MSD coils, 8.5mm plug wires, shorty headers, throttle body spacer, high flow cats and exhaust. I do run 91+ octane and Royal Purple oil. 5 Stars!
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