Dodge Durango SRT 6.4L (392 HEMI) MoPower Custom Tune with Livernois MyCal Handheld

The Dodge Durango SRT 6.4L 392 HEMI is one of the most powerful SUVs on the market, but MoPower Calibrations takes it even further with our custom performance ECU tune. Bundled with the Livernois MyCal handheld programmer, this package delivers dyno-proven horsepower and torque gains, sharper throttle response, and optimized drivability for both street and towing performance.

Dyno-Tested Power Gains

Our calibration team refined fuel, spark, airflow, and torque management strategies on the dyno and street to safely maximize the 6.4L HEMI’s performance. Expect harder launches, stronger midrange torque, and a more aggressive throttle feel without sacrificing factory reliability.

MoPower Durango 6.4L Tune Features

• Dyno-verified horsepower & torque increases
• Improved throttle response and acceleration
• Stronger low-end torque for towing and hauling
• Optimized spark and fueling curves
• Modified torque management algorithms
• Refined knock thresholds for consistent performance
• Supports bolt-on upgrades such as intake & exhaust

Plug-and-Play with Livernois MyCal

With the included Livernois MyCal handheld programmer, tuning your Durango is quick and simple. Flash your ECU through the OBDII port — no downtime, no need to mail in your ECU. Switch between stock and performance tunes whenever you like.

Fuel Options

This calibration is designed for premium fuel and supports:

• 91 Octane
• 92 Octane
• 93 Octane

⚠️ Running lower octane fuel than your tune requires may cause engine damage. MoPower assumes no liability for incorrect fuel usage.

Important Disclaimer

MoPower Calibrations are sold for off-road use only. All performance Calibrations and Engine Control Units installed are at the customer’s own risk. MoPower Calibrations or www.mo-power.com holds no responsibility either implied or otherwise for mechanical, electrical, or other failure when using any aftermarket performance products from MoPower Calibrations. Items sold for off-road use only are illegal in many states and provinces and are intended for racing vehicles which may never be used on a public road or highway. Not for sale or use in the State of California.

MoPower Calibrations LLC is not affiliated, associated, authorized, endorsed by, or in any way connected with Diablosport, HPTuners, or SCT (Derive) or any of their subsidiaries or affiliates. The names Diablosport, HPTuners, and SCT, as well as related names, marks, emblems, and images, are registered trademarks of their respective owners.

The MoPower Difference

Unlock the full potential of your Dodge Durango SRT 6.4L 392 HEMI with a MoPower Custom Tune and the Livernois MyCal handheld. Experience sharper throttle, more torque, and dyno-proven horsepower gains — all while keeping your SUV reliable on the road and powerful on the job.