Want reliable power and smooth performance without the complexity of switch-on-the-fly tuning? Our HP Tuners Single File Tune for the 2017–2023 L5P Duramax delivers clean, efficient, and proven gains tailored...
Want reliable power and smooth performance without the complexity of switch-on-the-fly tuning? Our HP Tuners Single File Tune for the 2017–2023 L5P Duramax delivers clean, efficient, and proven gains tailored specifically to your truck’s setup no shortcuts, no guesswork, just results.
Each calibration is hand-built in-house, giving your L5P sharper throttle response, optimized fueling, and factory-level drivability whether you’re towing heavy or just want that extra pull every time you hit the throttle.
⚙️ What’s Included:
✅ Custom Tune Written for Your VIN – Built specifically for your truck and modifications.
✅ Compatible with HP Tuners MPVI2 / MPVI3 – Works with your existing interface and credits.
✅ Emissions-Intact or Deleted Options(off-road use only) – Tuned exactly for your configuration.
✅ Transmission Tuning Available Separately – For both 10-speed (T93) and 6-speed (T87A) platforms.
✅ Safe, Reliable Power – Smooth shifts, clean fueling, and optimal EGT control for long-term performance.
🧠 Why Choose Piston Twistin:
All calibrations are written in-house by professional HP Tuners specialists no generic base maps, no copied files. We fine-tune every aspect of your L5P’s ECM for maximum torque, balanced fueling, efficient boost control, and safe power delivery that’s built to last.
You’ll immediately notice quicker throttle response, stronger midrange pull, and smooth, controlled acceleration across all driving conditions.
✅ Requirements:
HP Tuners MPVI2 or MPVI3 interface
Applicable HP Tuners credits (not included)
Unlocked ECM or compatible standalone MG1 tuning tools
🔒 Notes:
Safe for daily driving, towing, or performance use.
Emissions-off calibrations are strictly for off-road or competition use only.
