Aside from that rant, I have been using the GDE tune in my truck since it had 500 miles on on the odometer. No problems to speak of other than a seldom hard to downshift would occur. I installed a 4in lift and 35 inch tires. My fuel mileage all around typically ran between 24 and 26 miles per...
GDE recently let me down on an issue which wasn't anything major but I felt like they have cut back on their customer satisfaction skills pretty heavy since I first purchased their tune back in November 2016. My recent dealing with them just over a month ago I was due to complying with the new...