Description
Fits
| Year |
Make |
Model |
Engine |
| 2024-2025 | GMC/Chevrolet | 2500/3500 HD | 6.6L L5P |
Upgrade your 2024-2025 L5P Duramax with these custom tune files. These are the custom calibrations you need to deliver serious power gains and a sharper, more responsive throttle. Designed for off-road and race applications, these tunes are built to give you a better-running truck with up to +150 HP.
Once you’ve shared your stock read with your tuner in the TDN app, please email us. We’ll notify the tuning company and keep things moving.
TDN Code: MNFS-4601
Part Number: 24-66D-HP-X
Tuning
Power Levels
- Level 1: 30 HP over stock – Ideal for improved fuel efficiency and light towing.
- Level 2: 60 HP over stock – Enhanced power for moderate towing and daily performance.
- Level 3: 90 HP over stock – Balanced for aggressive driving and light towing.
- Level 4: 120 HP over stock – High-performance tune for demanding street driving.
- Level 5: 150 HP over stock – Maximum power for extreme performance and racing applications.
Features
- Five distinct power levels, from stock to +150 HP.
- Currently offers single-tune applications; SOTF functionality will be available in later releases.
- Provides smoother power, a sharper throttle response, and improved engine efficiency.
- Removes the factory speed limiter where permitted.
Additional Information
| Tunes |
Single Tune - Level 1, Single Tune - Level 2, Single Tune - Level 3, Single Tune - Level 4, Single Tune - Level 5, 5 Tune Package |
|---|
2024-2025 Duramax L5P AMDP RTD4 Custom Tune File
$2,400.00