What is the Power Increase for my Semi Truck?

Modified on Thu, 20 Oct, 2022 at 12:46 PM

The ECM tuner and the HDGT have the same tunes, For everything except the X15, we see the following; Economy: 6-12% increase of economy, no added power. Power Plus economy: 6-12% economy increase & 10-15% power increase. Power: 20% power increase. (use engine hp for rating)