Reviewed By Lester S (Libertyville, IL) Reviewed for a 2006 Pontiac GTO —2/12/2013 5:53 AM
Very good upgrade for added stopping power for my GTO.
Reviewed By michael c (fort pierce, FL) Reviewed for a 2005 Pontiac GTO —4/17/2012 7:09 AM
I'm getting about 3- 4 mpg better, performance is difficult to rate. It needs more tuning options for the novice who is not familiar with the settings. There is not enough info with the product that tells you what different features do. Install is easy, as long as you have some computer skills, basic skills. Big price tag, not sure if its worth the bux.
Reviewed By Jonathan L (NORTH ZULCH, TX) Reviewed for a 2016 Ford F-150 —5/23/2016 8:22 PM
Got this tuner after seeing the numbers diablo claims. Tried to install the tune but said update was needed even though I had already updated it. Contacted diablosport customer service and after 2 days I was able to install the tune. Installed the 93 diablo tune and let me tell you it is a night and day difference. Going to put it on the dyno soon to see what numbers I actually gained but it is definitely a noticeable difference.