Stealth Module - Chevy/GMC Duramax LLY/LBZ 6.6L (2004.5-2007)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

If you need a replacement switch as well

Ram Cummins 6

Results: Bottom-end power

Not compatible with preset modules

Installation: Plugs in-line to the fuel rail sensor and MAP sensor

and power output

Installation: Plugs in-line to the fuel rail sensor

Truck runs more efficiently

Switch has 4 modes (stock

The following Stealth Modules have a MAP version and a non-MAP version harness:

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