The DiabloSport PowerPuck D7157 for Gen III 5.9L Cummins intercepts signals from the Fuel Rail pressure and MAP sensors. The Tune is generated through a combination of duration/pulse width and fuel pressure- no timing is added with these tunes! These tunes allow users to switch their power gains on the fly between a furious 90 HP 180 Ft/Lbs. Tq Extreme tune, 60 HP 100 Ft/Lbs. Tq towing and economy tune, and the off position for factory HP rating.
