The BDX hand-held performance tuner gives drivers the power they need, whether tackling tough terrain, pulling a heavy payload, or maximizing fuel economy on the highway. Its sleek design, full-color display, and customizable gauges help track and adjust powertrain performance to deliver more horsepower and torque when it’s needed most. This device currently only supports CUSTOM TUNING ONLY. Fitment: 2017 – Early 2023 Chevrolet Silverado 2500/3500 6.6L Duramax L5P 2017 – Early 2023 GMC Sierra 2500/3500 6.6L Duramax L5P The above vehicles require the 9380 cable to properly tune with the BDX tuner. Cable sold separately. 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. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices.
