Bully Dog

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 vital performance parameters to respond to the unique demands you put on your vehicle, whether it's changing 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, diesel particulate filters, manifolds and turbochargers to help vehicles run more reliable and last longer.
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