Reviewed By David L (Green Bay, WI) Reviewed for a 1998 Chevy Blazer —5/28/2015 4:35 PM
The truck runs and drives better more power.
Reviewed By Allan R (Byron, MN) Reviewed for a 2007 Chevy Silverado —5/27/2015 3:42 PM
truck had problems with rpm fluctuation between 40-50 mph. ran the 87 octane tune and it pretty much took care or it. Didn't see a huge hp gain but the tune for the shift points and pressure was well worth it. Should have bought one years ago. Have a 07 Silverado new body style.
Reviewed By Jason C (Danville, IN) Reviewed for a 1998 Mitsubishi 3000GT —5/14/2015 2:42 AM
in my opinion it's one of the best things you can do to open up your performance in your vehicle once you've done the Exhaust upgrades and cold air intake you can see a big boost in performance I can even sure from now and all 5 gears