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efficiency
This is for a replacement harness only
6L (2017-2022)
6L (2011-2016)
Truck runs more efficiently
Stealth Module - Chevy/GMC Duramax LML 6.6L (2011-2016) 2019 chevy efficiencyThe 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
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