Review on 🔥 DiabloSport 8245 Performance Programmer Gen by Rodney Mendoza

I didn't know what I was getting into as tuners had heard good things about it so I gave it a try. My 2012 GMC Sierra 5.3L vortec WT Single Cab Short Cab pickup had an octane rating of 87. They also tuned the hardshift transmission and got the right tire size. In terms of fuel economy, I went from 15 to 16 with moderate driving. There was a noticeable difference in performance for me, but I think it's mostly the feel you get from the shift tune. In general, I've had it on my car for a little over a month and I like it. The reason I got platinum