Unlock the potential of your 2018-2021Cummins with the Bully Dog 2018-2021 Cummins bypass cable for use with the Bully Dog GT Diesel and H&S Mini Maxx.
A 5 simple step process is all that is needed to download tuning and special features to your truck.
- Purchase a GT Diesel or Mini Maxx and the Cummins Unlock Cable part #42215.
- Install the GT Diesel or Mini Maxx and follow on-screen instructions.
- Install the Unlock Cable and follow on-screen instructions on the GT or MM.
- Install Tuning from the GT Diesel.
- Leave the unlock cable installed and hooked up to the GT Diesel or MM at all times.
Shipping Details |
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Weight |
1.00 lb |
Length |
1.00 in |
Height |
1.00 in |
Width |
1.00 in |