EFILive tuning for the 2013-2018 Cummins is now available to meet your desired horsepower gains. Each AutoCal will come with 4 tunes. When you purchase a GDP Tuning AutoCal you will be ready to unleash the beast that’s locked inside of your truck.
2013-2018 6.7L Cummins tunes are offered in CSP-4 or Multi-Tune format.