Derringer Tuner Helps Pull the Grade
Conquer steep grades and high altitudes with the Banks Derringer Tuner. Towing heavy loads in mountainous terrain demands serious power. The Derringer tuner boosts horsepower and torque for Duramax, Ford, RAM, and Jeep diesel trucks, delivering the extra push needed to effortlessly climb hills. Unlike other tuners, Derringer’s smart technology safeguards your engine by monitoring vital systems and adjusting power output to prevent overheating. Experience towing confidence and performance like never before.