Preloaded Tunes for Cummins now on the Bully Dog GT

The wait is over! New support on the Bully Dog GT is here! Easily tune your Cummins truck with the preloaded tunes for 2018 and 2019-2021 Dodge RAM 2500 and RAM 3500 6.7L.

Enjoy all the benefits of the GT, such as shift-on-the-fly with preloaded tunes. Click here to learn more about the popular shift-on-the-fly feature and don't forget to purchase the 2018+ Bypass Cable Kit (#42215) when ordering a GT for 2018+ Cummins trucks.