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Unleash Your L5P Duramax Potential

The Banks Power Derringer Tuner (Gen 2) is the ultimate performance upgrade for your 2017-2019 GM 6.6L L5P Duramax. Designed to deliver consistent, safe power gains across the entire RPM range, this tuner allows you to conquer steep grades and heavy loads without the struggle. By utilizing advanced OBD-II connectivity, the Derringer actively optimizes your engine's calibration in real-time, just like the factory ECM.

Engineered for Performance and Safety

• Dynamic Calibration: Monitors throttle position, RPM, speed, EGT, and knock to ensure safe power delivery.
• 6 Power Levels: Easily adjustable on-the-fly via the included iDash 1.8 monitor.
• Transmission Protection: Advanced logic protects your transmission from excessive stress.
• Plug-and-Play: Simple installation process with no need for permanent modifications.
• Real-Time Monitoring: The iDash 1.8 provides a clear view of your engine's vital signs and power output.

Whether you are using your truck for heavy-duty work or weekend adventures, the Derringer Tuner provides the mid-range punch you need. Level 3 is specifically optimized for towing, improving passing times and on-ramp merging, while Level 6 provides maximum performance for when you need it most. With its compact design and robust safety features, the Derringer is the smartest way to tune your Duramax. Upgrade your GM 2500/3500 today with the premium performance solutions offered at GGCRACING.