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Results in torque and power gains across the full operating rpm range starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data inputs such as throttle position rpm vehicle speed AFR knock coolant temperature and EGT just like your engines ECM. It actively and safely optimizes calibrations in real-time thanks to its OBD-II connectivity. No competitive tuner does that. Derringer has 6 levels adjustable on-the-fly using the iDash. Level 6 produces best-in-class performance. Level 3 is designed for work use and has a great mid-range feel. When running Level 3 with a loaded truck and/or pulling a trailer your on-ramp merging speeds and passing times are greatly improved. The electronics are enclosed in a compact housing which is easily concealed and communicates with other Banks devices such as our iDash DataMonster iDash SuperGauge and PedalMonster throttle booster. The Derringer connects in line with your trucks engine sensors. But unlike other tuners it also connects to the vehicles OBD-II diagnostic bus. ActiveSafety health monitoring circuitry keeps an eye on the vehicle and the module itself. It checks its health 100 times a second. If it detects an issue the Derringer instantly bypasses itself sets a device diagnostic code and seamlessly returns the truck to stock power. Plus Derringers special coolant temp monitoring prevents power addition when the engine is too cold or overheated. The Derringer also auto-adjusts power if knock occurs due to bad fuel. Maximum safe power is all automatic with a Derringer – you just choose your preferred power level and enjoy the ride.