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Bully Dog began in American Falls, Idaho in 1998 as an enthusiast business focused on improving diesel engine performance. Since then, the brand has come to stand for leading-edge engine ECU calibration, high-quality aftermarket parts, and precision data-logging & …
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Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall.
GT Gas Performance Tuner & Monitor - Bully Dog
The 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.
Bully Dog 40420 GT Diesel Tuner & Monitor - Performance Tuning
The Bully Dog GT Diesel tuner unlocks 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.
BDX Performance Programmer - Bully Dog
Bully Dog's BDX Performance Programmer gives you the power to tackle tough terrain, heavy payloads, and maximize fuel economy on the highway.
Performance Tuners and Monitors - Bully Dog
Explore Bully Dog's Performance Tuners and Monitors for enhanced vehicle performance, fuel efficiency, and real-time monitoring. Optimize your ride now!
Heavy Duty GT - Bully Dog
The Heavy Duty Gauge Tuner incorporates Bully Dog’s SAE tested and emissions tested diesel engine tuning for both power and economy. Bully Dog tuning devices will not modify or delete vehicle emissions.
Big Rig - Bully Dog
Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall.
UNLOCK YOUR DEVICE - Bully Dog
Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall.
Bully Dog
Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall.