If you have the ability to flash your ecm, I have files for Detroit diesel, Volvo, Cat, Cummins, Paccar, and Mercedes. Usually we see 20% increase in power and increased fuel economy. Tested and tried, with our tunes you will save money in no time. PM me if you need this service
Truck tuning files
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by sergk1989, Sep 4, 2022.