Derringer Tuner Requires iDash Not included for 14-18 Ram 1500 14-18 Grand Cherokee 3.0L EcoDiesel Banks Power

Derringer is a tunner that adjusts power levels and monitors engine functions via OBD-II interface. It records parameters and optimizes calibrations in real-time.

• The description claims torque and power gains across the full operating rpm range.
• The description claims active and safe real-time optimization of calibrations.
• The description claims level 6 produces best-in-class performance.
• The description claims level 3 improves on-ramp merging speeds and passing times.