51078 – PSI Power Performance Module for 2003-2009 LG4 & LF8 7.8L Duramax

Experience enhanced performance and fuel efficiency with the remarkable 51078 Truck Edition Performance Module, engineered to fit seamlessly into LG4 & LF8 7.8L Duramax engines produced between 2003 and 2009. This advanced diesel performance module is meticulously designed to optimize fuel economy, offering an impressive up to 30% increase in horsepower and fuel savings ranging from 10% to 20%. With its adaptable four-position switch, you can effortlessly fine-tune power levels on-the-go, choosing between Stock, +10%, +20%, and +30% horsepower modes.
Unlike traditional ECM flashing, this module operates by receiving data from the ECM and skillfully optimizing the engine’s signal, resulting in superior fuel efficiency and power performance. These remarkable benefits ensure a rapid return on your investment, providing heightened efficiency while minimizing costs. Plus, the module boasts a user-friendly plug-and-play design, eliminating the need for intricate engine wiring modifications. Notable Features of PSI Power Modules:
Backed by a 30-day money-back guarantee

• Includes a 3-year manufacturer warranty
• Benefit from U.S.-based customer service

 

For your peace of mind, we proudly produce all PSI Power Modules within the U.S.A. We also value safety, which is why we adhere to California Proposition 65 standards.

Explore our comprehensive Install Videos to assist you in setting up the performance module with ease. Check out our video guide for the Ag Diesel Solutions RV Performance Module: Watch Video.
For precise installation instructions, refer to our detailed Install Instructions manual updated on 2/15/2023. Access the manual here: Installation Instructions.

Install Videos

Ag Diesel Solutions RV Performance Module

PSI POwer – About Us – Truck Edition

Install Instructions

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