2017-2023 Duramax L5P Peakside HP Tuners Single Tune Package

This is the Single Tune Package. If you want the SOTF Tune Package, please click here.

This package includes the HP Tuners MPVI4, 4 universal HP Tuners credits and the Peakside Performance tune files. Already own an HP Tuners device? Order the tune files on their own instead.

Note: THESE FILES NO LONGER NEED AN UNLOCK BOX TO FLASH 19+, USING AN MPVI3 OR NEWER (THE INCLUDED MPVI4 WORKS), YOU ARE NOW ABLE TO UNLOCK/FLASH YOUR ECM.

This includes a single custom tune file from Peakside Performance for your 2017-2023 L5P Duramax. Calibrations are delivered through the HP Tuners MPVI or RTD4 interface and are designed to maximize your truck's performance and fuel economy for the specific power level you select.

RTD4 Users: Your stock read goes to your tuner in the TDN app and your tune file comes back the same way.

Part Number: MPV-PEAK-L5P-HPTUN-1723-SGL

• HP Tuners MPVI4 Blank Device (M04-000-00)
• 4 Universal HP Tuners Credits
• Peakside Performance Single Tune custom tune files (PEAK-L5P-HPTUN-1723-SGL)

• Modified Stock
• +45 HP
• +75 HP
• +90 HP
• +120 HP

Note: Higher Power levels can be written with the proper supporting modifications. Please state the desired HP level and all supporting modifications when submitting your request.

• Includes one custom L5P Duramax tune file from Peakside Performance.
• MPVI interface allows for direct ECM unlock/flash (no separate unlock box required).
• HP Tuners MPVI4 device and credits included
  • Compatible with MPVI2. MPVI3 MPVI4 & RTD4 Devices
• Select your ideal performance level (up to +120 HP).
• Designed for superior driveability and fuel economy.

• Credits Required: 4 Universal HP Tuners. Credits are Required to Flash (included in this package).
• MPVI Users: We require a stock FICM read with HP Tuners if using an MPVI.

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