GREAT BANG FOR THE BUCK
Reviewed By Andrew E (SPRINGHILL, LA) Reviewed for a 2011 GMC Sierra —8/27/2014 9:04 PM
Programmer did exactly what I wanted to do to my truck. Gained about 3 mpg with the fuel economy mode but the power change is great! Truck doesn't feel so sluggish anymore. If your looking for a programmer STOP NOW and buy an EDGE CTS!!