I recently purchased a Colorado Z71 and the truck was great but didn't have the "umph" that I expected it would. I also live at a high elevation (5,800ft), so I knew some power w…

The auto-stop delete calibration process was a breeze. The engine doesn't shut off at every stop any more, and the battery is relieved of an additional load, too. I had read that…

All I can say is WOW!!! Night and Day difference how my car changed. I got my tune in just last night not 30 mins ago got it downloaded and installed with ease. Immediately, I no…

I was having issues with 2014 Chevy Malibu Ls. The vehicle kept stalling when autostop kicked in at stops. I installed the tune and havent had a problem since.👍

I am really impressed with the results , great throttle response, acceleration is improved , the transmission downshifts much faster ,no errors . 

All I can say is WOW!! This was money well spent. While this tune is not meant to make the Cruze a race car, it certainly woke it up. The performance is a VERY noticeable improv…

This is my first time computer tuning any of my cars, and it was well worth it. Not because of the added horsepower, which is great, or the added torque, which you can really feel…

I am very happy with my upgrade thank you for all your help

My 2016 cruze feels like a whole different car. I dont even know how I could drive the car before. It was like a slug taking forever to start moving and not having any power beh…

I was skeptical at first being a "canned" tune, but once I got the crap gas out and started burning pure 91, the pulls are much harder and the power stays on all through the RPM's.…

Excellent tune for all around driving pleasure. I have 90K miles on my tune so far with zero side effects. Just bought another one for my kids sonic, would (and do) recommend to an…

Looking Forward to this !!   phil d   Mukilteo wa