The 30100 Performance Module fits Mack 12.0L engines from 1997 thru 2006. This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Self-Adjusting switch giving you up to 30% increase of power. The module doesn’t flash the ECM, instead it receives the data from the ECM, optimizes the signal to the engine improving the fuel efficiency and power. So it does indeed promise to pay for itself in pretty short order. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring.
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