2014 GMC Sierra 3500 HD Computer Chip Programmers

This Bully Dog GT Platinum tuner is four products in one: a vehicle engine tuner, monitor, gauge, and diagnostic device.ÿ

The GT Platinum Gas is four products in one; a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of your vehicle by increasing horsepower, improving fuel economy and providing a comprehensive set of monitoring features and diagnostic functions. This product is incomparable to other tuning products because it has the largest feature set and the widest range of vehicle applications from a single product part number.

The GT Gas and Diesel tuners unlock more horsepower and torque to meet the unique demands you put on your vehicle. With preloaded tuning, customizable gauges to track performance, and a wide variety of hauling and off-roading features, you’ll have plenty of power to take on tough jobs or improved fuel economy for long highway hauls.

The Speedometer Calibrator recalibrates speedometer readings when non-stock tire sizes and/or rear gear ratios are installed.

The Max Energy Spectrum Power Programmer offers optimized engine tuning for maximum performance, application-specific performance features, and the most powerful tuning available for towing.

The X4 Performance Programmer connects high-performance tunes to your vehicle for an immediate boost in horsepower and torque. Awaken your engine to its maximum real potential with preloaded, dyno-proven tune files through the easy-to-use functionality. Instantly increase horsepower and torque and customizeModify a variety of parameters at the touch of a button, all while monitoring gauges on a customizable display.

Engineered for enthusiasts who want real control over performance, the SuperTuner unlocks power through precise calibration of fuel, spark, and transmission settings. It improves throttle response, adjusts for aftermarket upgrades, and delivers optimized drivability across GM, Ford, and Dodge platforms. Advanced mapping gives measurable gains without compromising reliability. Backed by decades of ignition and tuning expertise, it simplifies the tuning process while preserving factory safeguards. Expect sharper acceleration, smoother shifts, and a noticeable improvement in overall performance with every drive.