2003-2007 5.9L Common Rail Cummins Tuning Package

Complete engine and transmission calibration package for the 2003–2007 5.9L Common Rail Cummins in RAM 2500/3500 trucks. The CR 5.9 responds exceptionally well to tuning — this package extracts full potential from both the ECM and the 48RE TCM in one bundle.

What's included

• VIN-matched ECM calibration with multiple switchable power levels
• 48RE TCM calibration with increased line pressure and optimized shift scheduling
• Datalogging support for ongoing revisions and diagnostics

How it works

Available via EFI Live (FlashScan V2) or HP Tuners (MPVI) — select your platform at checkout. Submit your VIN and stock files; NanoTorque returns custom calibrations you flash yourself. The appropriate tuning device is required and not included.

Support tiers

• Limited — EFI Live (4 Weeks): Four-week revision window; tune stays on your tool after.
• Full — EFI Live (Lifetime): Unlimited revisions and lifetime access.
• HP Tuners (Lifetime): Lifetime access via HP Tuners MPVI platform.

All calibrations are developed for emissions-compliant performance and must be used in accordance with applicable local, state, and federal regulations.