2013-2016 Dodge Cummins 6.7L
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A 4 simple step process is all that is needed to download tuning and special features to your truck.
1. Purchase a GT Diesel and the Cummins Unlock Cable part #42214.
2. Install the GT Diesel and follow on-screen instructions.
3. Install the Unlock Cable and follow on-screen instructions on the GT.
4. Install Tuning from the GT Diesel.