Get ready for the ultimate performance upgrade for your GM Truck. Whether you have a Chevy Silverado, GMC Sierra, Yukon, Denali, Suburban, or another of the huge GM truck line up, the Predator is going to ramp up your performance in a big way! The Predator comes pre-loaded with programs for 4.3L, 4.8L, 5.3L, 6.0L, 6.2L, and 8.1L GM Trucks and SUVs from 1999-2017! Running the Predator's performance tunes, you can get power gains up to 25 Horsepower and 25 Ft/Lbs of torque without even popping the hood. Not only does it increase your truck's performance, but you also got adjustable options like re-programming your tire size, gear ratio, and even removing the top speed limiter. The Predator's simple plug and play installation make it the longest running legend in performance tuners!