Banks L5P Derringer is flying off the shelf
Unleash real power and protect your 2017-2018 L5P Duramax with the Banks Derringer Tuner. Gain up to 61 hp and 112 lb-ft of torque, while maintaining safety features and protecting your engine and drivetrain. The Derringer offers unmatched performance compared to the competition, with independent testing to back up its claims. Don’t settle for inflated numbers, get real power with the Banks Derringer Tuner.