Collection: Bully Dog

Bully Dog is one of the leaders in performance ECU calibration technology for gas & diesel vehicles looking to add performance, tackle tough terrain, haul heavy payloads, or tow trailers long distances. Their calibration software platform adjusts key performance parameters to better respond to your unique demands, whether it’s adjusting for tire size, axle lockers, throttle sensitivity, or shift firmness. They work to get the most out of your vehicle under the safest parameters. Tunes that are preloaded in their devices have gone through hundreds of hours of testing to ensure the safety of the drivers & the environment overall. Easy installation using one of their advanced handheld programmers means quick, out-of-the-box access to better performance, added safety, & improved fuel economy. Bully Dog also offers a precision-engineered, top-quality line of performance intakes, manifolds, & turbochargers to help vehicles run stronger & last longer.