Ignitions and Electrical› Computers, Chips, Modules and Programmers

DuraMax Tuner

Duramax Tuner Beta Custom Tune Pack Incl. UNLOCK YOUR ECM Credits For 2024-2025 6.6L L5P Duramax DM1QQ1371013000

$3,187.03

SKU: D06C DM1QQ1371013000

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This custom emission-compliant ECM tuning package for 2024-2026 L5P Duramax engines offers up to +110 HP and +330 ft-lbs of torque, designed to work with stock emissions systems. It provides customized tuning for stock or modified trucks, improves pedal response, and includes features like speed limiter adjustments and free lifetime tuning support. The package requires HP Tuners Credits and an RTD4 Flash Tool, along with an ECM Unlock Service.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDuraMax Tuner
Part NumberD06C DM1QQ1371013000

Videos

The Limiting Factor of the Duramax L5P

The Limiting Factor of the Duramax L5P
Chevy 2500 6.6L DURAMAX Diesel (L5P) Top 5 Issues *Heavy Mechanic Review* | Should YOU be Worried?

Chevy 2500 6.6L DURAMAX Diesel (L5P) Top 5 Issues *Heavy Mechanic Review* | Should YOU be Worried?
GM Unveils A NEW Duramax DIESEL ENGINE For The 2026 Chevy Silverado 2500!

GM Unveils A NEW Duramax DIESEL ENGINE For The 2026 Chevy Silverado 2500!
The 2024 And 2025 GM Duramax L5P Gen2 Is Having Issues! Recall Coming Soon?

The 2024 And 2025 GM Duramax L5P Gen2 Is Having Issues! Recall Coming Soon?

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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