Stealth Module - Chevy/GMC Duramax L5P 6.6L 2500/3500 (2025-2026)The Stealth Module is a stand alone computer that plugs in under the hood. Our internal software meticulously works to optimize the factory injection pressure to amplify combustion efficiency. By bringing the fuel rail pressure to its desired pressure sooner it allows for finer fuel atomization and a more complete fuel burn. In turn, the engine receives better combustion quality, efficiency, and power output. Installation: Plugs in line to the fuel

Ford Powerstroke 6

6L (2011-2016)

Chevy/GMC Duramax LML 6

Our internal software meticulously works to optimize the factory injection pressure to amplify combustion efficiency

Less Turbo Lag

7L (2011-2019)

Chevy/GMC Duramax L5P 6

Results: Bottom-end power

Works with Stealth Diesel Performance Module

and power output

Truck runs more efficiently

Switch has 4 modes (stock