Reviewed By William M (Fair Oaks, CA) Reviewed for a 2014 Cadillac CTS —8/18/2015 10:30 PM
Immense improvement in performance on initial tune. I am really quite pleased.
Reviewed By Douglas C (CAMP HILL, AL) Reviewed for a 2015 Chevy Silverado —8/23/2016 5:20 PM
I was unsure which one to buy,after talking to auto-anything I went the DiabloSport in Tune i2 tuner the best investment I ever made!!!!!!! If you buy one the next best investment you can make is contact www.diablewtune.com Its a different truck now..