The Derringer is the most advanced inline tuner available for Ford, GM, RAM and Jeep, not only delivering un-matched horsepower and torque but it's the only tuner that communicates with your truck's computer. Years in the making, the 50-state emissions compliant Derringer is jam-packed with features that will keep your diesel safe and you happy.

Derringer tuners are available for:
GM 6.6L Duramax
Ford 6.7L Power Stroke
RAM 3.0L EcoDiesel
RAM 6.7L Cummins
Jeep 3.0L EcoDiesel

To find yours, enter your year, make, and model at bankspower.com