Description
Supported Engine codes LB7, LBZ, LLY, LML, LMM, L5P
Introducing the 2006-2023 6.6L Duramax Custom Tuning – For HP Tuners, the ultimate tuning solution for your diesel vehicle. If you drive a 2006-2023 Silverado/Sierra 2500/3500, or any other vehicle with a 6.6L Duramax engine, this custom tuning tool is designed to optimize performance and maximize power.
With HP Tuners, you can say goodbye to limitations and hello to a whole new level of customization. The easy-to-use interface allows you to flash files, perform diagnostics, and eliminate restrictions such as DPF, SCR, and EGR. Unlock the full potential of your vehicle and experience the power increase you’ve been looking for.
Not only does the HP Tuners offer remote tuning capabilities, but it also provides a seamless and efficient tuning solution that is unmatched in the industry. Whether you’re looking for a quick ECM flash or comprehensive mapping, this tuning tool has got you covered.
Experience the freedom of tuning your vehicle from the convenience of your own garage. With OBDII flashing and a user-friendly interface, HP Tuners makes the tuning process as simple as can be. No need for complicated installations or cumbersome equipment – just plug in and tune on the go.
Providing custom tuning for model years ranging from 2006 to 2023, this tuning tool is compatible with a wide range of vehicle models and makes. This versatile and comprehensive tuning solution has garnered a reputation for its excellence in the industry.
Discover the potential of your vehicle with the 2006-2023 6.6L Duramax Custom Tuning HP Tuners. Unlock the power within and experience a driving experience unlike any other.
- We will build your file base on truck specs and email it to you for flash yourself or remote connect to your PC and flash it for you, or reach out if you would like a custom tune and we will build file same day for you
- Support for all 2006-2023 6.6L Duramax Engines
- Trucks with L5P Require a special unlock cable or unlocked ECM. Please purchase before flashing to prevent ecu from being bricked
- 1 year custom vehicle support
- L5P Requires ECM Unlock. Please Get ECM Unlocked before tuning or contact us for more information
CONTACT US BELOW FOR QUESTIONS OR AFTER PURCHASE SUPPORT
We also offer tuning services through EZ Lynk and EFI Live as well if you have supported Flash Scan Device 2/3 or Auto Agent 2/3. No Autocal devices are not supported.


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