2024-2025 Duramax L5P Delete Tune

2024–2025 Duramax L5P Delete Tune File

Unlock the full performance potential of your 2024–2025 Duramax L5P with our powerful Delete Tune File. Designed for serious diesel enthusiasts, this calibration delivers 575 horsepower and a massive 1,200 lb-ft of torque, all while removing factory speed limitations for maximum drivability.

This tune requires an unlocked E42 Global B ECM, which must be serviced prior to flashing. Once unlocked, this file will provide an additional +120HP over stock, enhancing throttle response, pulling power, and overall performance.

• Speed Limiter Removed
• +125HP Gain
• Full Power with No Loss of Functionality

Requirements:

• Requires 8 HP Credits

• Requires GWNDiesel Remote Tuning Device 

• Requires Unlocked E42 ECM (Global B)

• NOx sensors and DEF system must remain plugged in.

• HP phone app for tuning (free download).