Important:

1. Please Grab an Infolog from the Original OEM ECM before removal and unlocking
2. Part 1 of this video explains how to do that - InfoLog Instructions
3. Once the infolog is taken complete the E42 Upgrade Service by HPTuners
4. With ECM Upgraded take another infolog of the Unlocked HPT ECM and a stock read
5. Send the 2 info logs and the 1 stock read to us

**This is only Compatible with MPVI3, MPVI4, and RTD4
The GME42 ECM requires you to do the Unlock Service through HPTuners CLICK HERE
In order to enable diagnostic and tuning.
2024/2026 Require 8 Credits for the ECM

L5P/L5D Tuning requires you to attach your Stock File. All Krazy On Highways Calibration(s) for the L5P/L5D are built off your original calibration. TCM Tuning Calibrations are built to suit your needs, we strongly advise at the minimum to increase your Line Pressure to hold the added power.

Calibration(s) 2024/2026

0hp, 45hp, 75hp, 90hp, 120hp, 150hp, 180hp

*These Tunes are custom and are made specifically for your race truck. Please let us know all of your engine mod(s) eg. Lift Pump, Intake, Turbo, Injectors, Cam, Bigger Intake etc.