Dusterhoff Racing DT937 Flex Hellcat Durango Power Package

The Dusterhoff Racing DT937 Flex Hellcat Durango Power Package is a complete E85-ready performance solution engineered specifically for the 2021+ Dodge Durango Hellcat powered by the factory 6.2L Supercharged Gen 3 HEMI. Designed for enthusiasts looking to push beyond the limitations of premium pump gasoline, this package combines carefully selected performance components with Dusterhoff Racing’s industry-leading flex fuel calibration to maximize horsepower, torque, and throttle response while maintaining the drivability expected from a daily-driven Hellcat. By utilizing the higher octane and superior knock resistance of ethanol-based fuels, the DT937 unlocks significantly more performance than a comparable pump gas setup while providing the flexibility to operate on multiple fuel blends with the proper flex fuel configuration.

The DT937 package is engineered around the needs of high-performance supercharged HEMI applications where increased airflow, fuel delivery, and precise ECU calibration work together to produce reliable power. Every included component has been selected to complement the others, allowing the factory supercharger system to operate more efficiently while supporting the increased fueling demands associated with E85. Dusterhoff Racing custom tuning optimizes ignition timing, fuel delivery, throttle mapping, torque management, cooling fan operation, transmission behavior, and numerous additional ECU parameters to safely extract the maximum performance available from your combination. The result is noticeably quicker acceleration, stronger mid-range power, improved supercharger response, and exceptional overall drivability.

This is our Flex Durango Hellcat 937HP Package.

Package Includes:
Dusterhoff Tuning Upper Pulley Kit
Fuel Injectors
PCM Unlock Service
HD Belt
180 Thermostat
Smart Access Cable
RTD with Credits
DT Serialized Plaque
Engine Tune
Transmission Tune

This package is good for roughly 100-150whp over stock.

*THIS PACKAGE INCLUDES PARTS AND REMOTE TUNING
*INSTALLATION IS ADDITIONAL

This is for 91 or 93 octane pump gas/ E85 package

One of the biggest advantages of the DT937 package is the flexibility it offers enthusiasts who continue upgrading their vehicles over time. Rather than purchasing components individually and hoping they work well together, customers receive a professionally engineered package developed specifically around the Gen 3 HEMI platform. The increased fueling capability and custom flex fuel calibration provide an excellent foundation for future modifications including smaller supercharger pulleys, ported superchargers, larger throttle bodies, camshaft upgrades, upgraded heat exchangers, and additional airflow improvements. As your combination evolves, Dusterhoff Racing can continue revising your tune to ensure every modification performs safely and efficiently.

Whether your goal is building one of the quickest Durango Hellcats on the street, dominating roll races, improving drag strip performance, or simply enjoying the added performance benefits of ethanol fuel, the DT937 Flex Hellcat Durango Power Package delivers professional-level results backed by years of Gen 3 HEMI tuning experience. Every package is designed to provide outstanding performance, repeatability, and long-term reliability while eliminating the guesswork often associated with assembling a custom combination. For additional blower upgrades, fuel system components, and supporting performance parts, browse our catalog to continue building your supercharged Gen 3 HEMI.

Specifications & Features
Manufacturer: Dusterhoff Racing
Product Name: DT937 Flex Hellcat Durango Power Package
Product Type: Complete Flex Fuel Supercharged Performance Package
Engine Compatibility: 6.2L Supercharged Gen 3 HEMI
Fuel Compatibility: E85 / Flex Fuel Calibration
Vehicle Compatibility:
2021+ Dodge Durango Hellcat
Year Compatibility:
2021-Present
Transmission Compatibility:
8-Speed Automatic
Complete Performance Package
Professional Dusterhoff Racing Custom Flex Fuel Tune Included
Designed for E85 Performance
Increased Horsepower
Increased Torque
Improved Throttle Response
Increased Supercharger Efficiency
Optimized Fuel Delivery
Optimized Ignition Timing
Optimized Torque Management
Enhanced Cooling Strategy
Improved Transmission Calibration
Improved Drivability
Supports Higher Octane Ethanol Fuels
Supports Future Performance Modifications
Supports Future Tune Revisions
Excellent Foundation for Additional Supercharger Upgrades
Installation Difficulty: Moderate to Advanced
Professional Installation Recommended
Intended Use:
Street Performance
Drag Racing
Roll Racing
Daily Driving
Color: Varies by Included Components
Weight: Varies by Package Contents