Bully Dog is at the forefront of performance ECU calibration technology for gas and diesel vehicles looking to add performance, tackle tough terrain, haul heavy payloads or tow trailers over long distances. Our calibration software platform adjusts key performance parameters to better respond to the unique demands you put on your vehicle, whether it’s adjusting for tire size, axle lockers, throttle sensitivity or shift firmness. Easy installation using one of our advanced handheld programmers means quick, out-of-the-box access to better performance, added safety, and improved fuel economy. Bully Dog also offers a precision-engineered, top-quality line of performance intakes, manifolds, and turbochargers to help vehicles run stronger and last longer.

SCT unlocks greater vehicle performance through ECU calibration, so your vehicle is better equipped to meet your specific needs. We’ve released performance calibrations for hundreds of vehicle makes and models from Ford, GM, and Dodge. Our calibrations are quickly and easily uploaded to the vehicle’s engine control module using our handheld programmer technology. By optimizing vehicle calibrations, SCT tuning unlocks greater vehicle horsepower, torque, and drivability. SCT aims to provide top-shelf performance when and where it’s needed most and to continue as the benchmark for aftermarket tuning solutions.