Programmers / Power Modules

Banks Derringer Tuner with iDash DataMonster for 20-23 GM Duramax 6.6 L5P

Introducing the Derringer - the ultimate performance tuner for your truck. With six power levels that can be changed on-the-fly via the iDash, you can now enjoy improved torque and power gains across the full operating rpm range. The Derringer is dyno...