DIESELR MM3 Tune Files (2019-2021 Cummins 6.7L)

Fitment

2019-2021 6.7L Cummins

Note

Tune files are built to order and are typically completed within 24-48 hours, however depending on the current order volume of the tuners please allow up to 1-3 business days to ensure your files are completed by when you need them! Highly modified vehicles have longer wait times due to their complexity, wait times on these applications can be 1-5 business days.