*2018 - 2021 Cummins Trucks require the use of a SGM cable. Found here
PLEASE SELECT YOUR OPTIONS ABOVE.
- Includes Shift on the fly or single files
- TCM tuning (where Applicable)
- Custom Support
THIS IS THE BEST AND MOST AFFORDBALE OPTION ON THE MARKET TODAY.
We are not reselling, remarketing, or pushing someone else's old, tired, outdated junk here. This support is ours and ours alone. Don't get fooled into the other trash out there. All 68rfe get tuned. If you see people charging for 68rfe tuning... They're scamming you for a buck.
NRE Performance LLC TCM files are the most approved TCM files available. We are approved for use by Muldoon's Transmissions™, CG Diesel Performance Transmissions™, REVMAX™, Randy's™, Tier 1™, and Wilsons Diesel Performance™.
Lifetime/4 week refers to the time you have to get revisions, send data logs, AND have access to our files.