Banks Power Derringer Tuner

2011–2018 Ram 1500 / 2011–2021 Jeep Grand Cherokee 3.0L EcoDiesel

Part #: 66641

Overview

The Banks Power Derringer Tuner is a state-of-the-art performance tuning device engineered specifically for Ram 1500 and Jeep Grand Cherokee models equipped with the 3.0L EcoDiesel engine from 2011 through 2018 for Ram and up to 2021 for Jeep. Designed for enthusiasts and professionals alike, this tuner delivers substantial horsepower and torque gains across the entire rpm range, enhancing throttle response, acceleration, and overall engine performance without compromising reliability or safety.

By continuously monitoring critical engine parameters in real time, the Derringer dynamically adjusts calibrations to optimize power output tailored to your driving conditions. Whether you’re towing heavy loads, navigating off-road trails, or simply seeking improved daily drivability, this intelligent tuner provides a seamless and safe performance upgrade.

Key Features

The Banks Derringer Tuner combines advanced technology with user-friendly controls, offering versatile tuning options and robust safety features:

• Six adjustable power levels configurable on-the-fly via the Banks iDash interface, ranging from mild daily driving boosts to aggressive performance tuning
• Up to +40 horsepower and +63 lb-ft of torque gains, improving 0-100 km/h acceleration times by up to 4 seconds
• Dyno-calibrated tuning that leverages multiple engine data inputs including throttle position, rpm, vehicle speed, air-fuel ratio, knock detection, coolant temperature, and exhaust gas temperature for precise optimization
• Active safety monitoring circuitry that checks system status 100 times per second and instantly reverts to stock settings if any issue is detected
• TransCommand transmission protection to ensure safe shifting and extend transmission longevity
• Automatic power adjustment based on coolant temperature and knock detection to prevent engine damage
• Compact, discreet housing designed for easy installation and concealment under the hood
• Seamless integration with Banks iDash DataMonster, SuperGauge, and PedalMonster throttle booster for comprehensive vehicle monitoring and control
• Firmware updates via microSD card through the iDash system keep your tuner current with the latest calibrations
• Compatible with a wide range of trims including High Altitude, Limited, Overland, Summit, Trailhawk, Big Horn, Laramie, and more

Construction & Design

The Derringer Tuner is built with durability and precision in mind. Its rugged, compact enclosure is engineered to withstand harsh under-hood environments while maintaining reliable operation. The tuner connects inline with your vehicle’s existing engine sensors and diagnostic bus, enabling seamless communication with the engine control module (ECM). This robust design allows continuous real-time adjustments without compromising system integrity or vehicle reliability.

Performance & Sound

By optimizing fuel delivery, ignition timing, and boost parameters, the Derringer significantly enhances engine torque and horsepower throughout the rpm range. Drivers will notice improved throttle response, quicker acceleration, and stronger pulling power, especially beneficial when towing or hauling heavy loads. While the tuner does not directly modify exhaust sound, the increased engine efficiency and power output contribute to a more confident and capable driving experience.

Installation & Fitment

Installation of the Banks Derringer Tuner is straightforward and requires no permanent modifications. The tuner connects inline with existing engine sensors and plugs into the OBD-II diagnostic port. For full functionality, the Banks iDash interface (sold separately) is required to program, monitor, and adjust power levels. This tuner is compatible with 2011–2018 Ram 1500 and 2011–2021 Jeep Grand Cherokee models equipped with the 3.0L EcoDiesel engine.

What's Included

• Banks Power Derringer Tuner module
• Inline sensor connectors and wiring harness
• Installation instructions
• Warranty and support documentation

Ideal For

The Derringer Tuner is ideal for Ram 1500 and Jeep Grand Cherokee owners seeking a reliable, intelligent performance upgrade that enhances power and drivability without sacrificing engine safety. It is especially suited for those who tow trailers, haul heavy loads, or desire improved acceleration and throttle response for daily driving or off-road adventures. Its adaptive tuning and comprehensive safety features make it a perfect choice for both enthusiasts and professional users demanding consistent, safe power gains.

Banks Power develops emissions-compliant performance parts for diesel and gas trucks, SUVs, and tow rigs—focused on airflow, efficiency, and reliable power. With decades of engineering and patented development, Banks offers systems like intakes, exhaust and boost upgrades, tuners, and supporting components designed to increase performance while maintaining drivability for real-world use.