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 David M (ANN ARBOR, MI) Reviewed for a 2007 Chevy Avalanche —3/28/2017 8:41 PM
I was a bit hesitant to buy this product as there were no reviews for it, but for the price with coupon I couldn't resist. device works perfect. Simple plug and play installation to disable the AFM. My v8 is finally a full time v8. My only complaint would be the red lights on the unit. It lights up the floor at night.
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.
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