• DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L) Tune Files DIESELR Tuning
  • DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L) Tune Files DIESELR Tuning
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DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L)

DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L)

DIESELR Tuning

SKU: DSLRT-200213

$825.00 USD
Shipping calculated at checkout.

Important Compatibility & Unlock Information

2019–2023 L5P Duramax trucks,  do not require the unlock cable. These models can be unlocked and tuned directly using HP Tuners’ standard MPVI3 process. Unlocking and flashing the ECM requires 6 Universal Credits.

DIESELR MPVI3 Tune Files for 2020–2023 Duramax L5P 6.6L

For owners of 2020–2023 GMC Sierra and Chevrolet Silverado 2500/3500 trucks equipped with the Duramax L5P 6.6L, DIESELR MPVI3 Tune Files deliver customized performance solutions designed to unlock your truck’s full potential. Built for use with HP Tuners' MPVI3 platform, these tunes enhance power, efficiency, and drivability.

Available Tuning Options

• Single Tune
A custom-built calibration focused on a specific performance goal — ideal for daily driving, towing, or fuel economy.

• SOTF (Switch-On-The-Fly) 5-Tune Pack
Includes five distinct power levels, allowing seamless switching based on driving needs.
Power Levels:

  • Level 1: Stock

  • Level 2: +30 HP

  • Level 3: +60 HP

  • Level 4: +90 HP

  • Level 5: +120 HP

Switching between tunes on the fly offers unmatched flexibility — cruise efficiently or unleash full power instantly.

Key Features

  • Enhanced Power & Torque – Gain noticeable improvements in horsepower and torque for stronger towing and acceleration.

  • Improved Fuel Efficiency – Efficient tuning strategies can help reduce fuel consumption.

  • Refined Drivability – Expect smoother throttle response, better shift points, and improved overall driving feel.

Compatibility

Designed specifically for:

  • 2020–2023 GMC Sierra 2500/3500

  • 2020–2023 Chevrolet Silverado 2500/3500

  • Equipped with the Duramax L5P 6.6L engine

Please confirm your vehicle's compatibility before installation.

Installation Notes

  • MPVI3 Device Required – You’ll need an HP Tuners MPVI3 interface to flash the tunes.

  • 6 Universal Credits Needed – Required to unlock and flash the ECM.

  • DIY-Friendly with Optional Pro Support 

Why Choose DIESELR MPVI3 Tune Files?

  • Custom-Calibrated Performance – Each tune is built to suit the L5P platform for optimal results.

  • Real-World Tested – Backed by data and testing from real drivers and trucks.

  • Ongoing Support – Stay current with access to updates and tuning support.



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