2005–2024 Ram 2500 & 3500 Custom HP Tuners Tuning (Gas Engines)

Our HP Tuners custom calibrations for the 2005–2024 Ram 2500 and 3500 are built to improve throttle response, horsepower, torque, and transmission performance across HEMI gas platforms. Whether your truck is powered by the earlier 5.7L HEMI or the 6.4L HEMI, our in-house tunes are tailored to your setup for reliable, consistent results in both daily driving and heavy-duty applications.

Key Features

• Engine Coverage

  • 5.7L HEMI V8 (2005–2018 Ram 2500/3500)

  • 6.4L HEMI V8 (2014–2024 Ram 2500/3500)

• Transmission Support – Calibration available for 545RFE, 66RFE, and 8HP75 automatic transmissions, refining shift strategies, torque management, and towing performance

• Custom Calibration – Adjustments available for intakes, headers, exhaust systems, camshafts, gear changes, and flex-fuel/E85 conversions

• Safe Performance – Power gains engineered for smooth delivery, increased towing ability, and long-term reliability

• Remote Tuning – Compatible with HP Tuners MPVI2 and MPVI3 for easy file exchange and flashing

Benefits

• Sharper throttle response and reduced delay

• Stronger low-end torque for towing and hauling

• Increased horsepower across the RPM range

• Refined transmission behavior for daily driving, work, and heavy-duty use

• Reliable calibration for both stock and modified builds

Compatibility

Custom tuning is available for:

• 2005–2018 Ram 2500/3500 5.7L HEMI V8

• 2014–2024 Ram 2500/3500 6.4L HEMI V8

Process

1. Purchase your Ram 2500/3500 custom tuning package.

2. Use HP Tuners to read the stock calibration.

3. Provide your file and a complete list of modifications.

4. Receive a calibration designed for your build.

5. Flash the tune and enjoy the improvements immediately.

Professional Assurance

All Ram 2500/3500 HEMI calibrations are created in-house with precision and care. From work trucks to performance builds, our HP Tuners tuning delivers proven results in power, drivability, and towing performance across nearly two decades of heavy-duty Ram gas platforms.