DIESELR EFI Live Tune Files (2019-2021 Cummins 6.7L)

DIESELR EFI Live tune files for the 2019-2021 Cummins 6.7L. Choose a single tune or SOTF, which uses the CSP switch.

• Tune files only. EFI Live device sold separately.
• Options: Single Tune or SOTF (CSP switch only).

For off-road and competition use only.