Bully Dog GT Gas Performance Tuner & Monitor - Universal suspension systems Two (2) H11 4-pin DT

Two (2) H11 4-pin DT backlight tap wires

66 percent better than stock

2007-2016 Chevrolet Silverado 3500 HD

(2) XL-R Pro Clear LED Light Pod

Bully Dog GT Gas Performance Tuner & Monitor - Universal suspension systems Two (2) H11 4-pin DTThe Bully Dog GT Gas tuners unlock more horsepower & torque to meet the unique demands you put on your vehicle. With preloaded tuning you can plug n play. The built in Driving Coach feature helps improve driving habits for better fuel mileage. Customizable gauges track performance, and a wide variety of hauling and off roading, all while giving you plenty of power to take on tough jobs or improved fuel economy for long highway hauls. Features: Track