Reviewed By Luis B (TILLAMOOK, OR) Reviewed for a 2017 GMC Sierra —1/4/2018 8:15 PM
I like this programmer a lot. Could see the difference in power on my Sierra. Would recommend to friends and family.
Reviewed By Amelia J (COLORADO SPRINGS, CO) Reviewed for a 1999 GMC Sierra —1/3/2018 7:22 PM
Got this for my boyfriend for christmas. It was super easy to install, adds a couple HP to the truck, saves gas, and it very easy to understand. Overall a great product for a very good deal.