Reviewed By Scott B (Hellam, PA) Reviewed for a 2009 Chevy Silverado —8/24/2015 2:25 PM
Very user friendly device. I did see a 1.2mpg increase and felt a slight power increase also. I did the 93 octane tune. What I like best is I was able to turn off that AWFUL AFM GM uses on their trucks, now it's in V-8 mode all the time, no more of that dull sound out of the loud pipes when in v-4 or v-6 mode. I also increased the shift firmness, definitely chirpped tires a few times when I had to really get on it lol. Only wish the touch screen was more repsonsive.