Four Singles Tune Only Duramax L5P (2020-2023)

4 Tune Pack / Non Switchable

Use the MPVI2 to load one Heavy Tow, Sport Economy, Race or Optimized Stock (described below inclusions)

Required Options *

* (required for ECM tuning, only optional if you own them already)

ECM Upgrade Service (Engine Control Module)

• Remove your ECM and ship to HP Tuners. Will not be able to drive the vehicle since the ECM will be removed
• This option offers a direct servicing of your current ECM. You send it in, HP Tuners gets it ready for tuning, and sends it back
• Once re-installed you can flash our tunes
• No IMMO or Crank Relearn required
• Complete instructions how to remove your ECM carefully to avoid damage, ship, and re-install the modified ECM

ECM Exchange Service (Engine Control Module)

• Send in an L5P ECM core to be modified
• Once re-installed you can flash our tunes
• This option requires doing the IMMO and Crank relearn
• Complete instructions how to remove your ECM carefully to avoid damage, ship, and re-install the modified ECM

Modified ECM Purchase (Engine Control Module)

• We ship a modified unlocked ECM once in stock
• Call us for current estimates on ECM delivery time frame
• Allows continued use of your truck vs removing & shipping your existing ECM
• Keep your original ECM if you ever trade or need dealer servicing
• No core purchase required

HP Tuners MPVI2 Hardware

• Bluetooth, Expansion Port, Mobile Device Support
• Read your engine, Write our tested Tunes, Drive better
• VCM (Vehicle Control Module) Editor, Scanner and USB cables
• Most powerful scanning, diagnostic and logging

8 HP Universal Credits

Recommended Options

CAN Communication Harness

• used when exhaust sensors are disconnected
• communicates with the fuel tank level
• re-establishes communication between ECM & fuel tank components

Transmission tuning is not yet available for 2020, 2021 models

About our included 4 Tunes

Heavy Tow Tune

• For those towing any load up to GVWR (Gross Vehicle Weight Rating)
• + 90 RWHP, + 120 ft-lbs torque over factory
• Wide Torque curve to improve drive-ability while towing
• Perfect balance of sport driving & functionality
• Unhook and enjoy a sportier drive

Sport Economy Tune

• Fun “unloaded” daily driving
• For driving around town, highways
• Impress your friends
• Put a smile on your face
• + 140 RWHP, +300 ft-lbs torque over factory
• Puts your vehicle near the 550 RWHP mark

Race / Performance Tune

• Maxes out the factory Turbo
• + 190 RWHP, + 500 ft-lbs torque over factory
• Puts your vehicle near the 600 RWHP 1360 ft-lbs mark
• Up to 620 RWHP / 1380 ft. lbs with WC Fab turbo mouthpiece
• Recommend transmission tune to avoid premature wear
• If you drive responsibly, can use Race as you would Sport Economy

Optimized Stock Tune

• Refined factory settings
• Smoother running engine & power delivery
• Reduced exhaust temperatures
• +15 RWHP, + 10 ft-lbs torque over factory
• Leaves factory rev limit in place