2018–2021 Jeep Grand Cherokee Trackhawk Custom HP Tuners Tuning (6.2L Supercharged HEMI)

Our HP Tuners custom calibrations for the 2018–2021 Jeep Grand Cherokee Trackhawk are engineered to maximize the performance of the 6.2L Supercharged HEMI V8. Built in-house and tailored to your exact modifications, our tunes improve horsepower, torque, throttle response, and transmission behavior while maintaining reliability on both the street and track.

Key Features

• Engine Coverage – 6.2L Supercharged HEMI V8 (2018–2021 Trackhawk, factory Hellcat platform)

• Transmission Support – Calibration available for the ZF 8-speed automatic, refining shift strategies, torque management, and drivability under high horsepower loads

• Custom Calibration – Optimized for intakes, pulleys, injectors, headers, exhaust systems, fuel system upgrades, supercharger modifications, and flex-fuel/E85 setups

• Safe Performance – Gains built around consistent power delivery, smooth drivability, and long-term engine reliability

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

Benefits

• Increased horsepower and torque throughout the RPM range

• Quicker throttle response and improved supercharger efficiency

• Stronger mid-range acceleration and top-end performance

• Refined transmission behavior for street, drag strip, or track use

• Reliable calibration for stock and heavily modified builds

Compatibility

Custom tuning is available for:

• 2018–2021 Jeep Grand Cherokee Trackhawk (6.2L Supercharged HEMI, ZF 8-speed automatic)

Process

1. Purchase the Trackhawk custom tuning package.

2. Use HP Tuners to read your stock calibration.

3. Provide the stock file and a complete list of modifications.

4. Receive a tune designed for your exact build.

5. Flash the calibration and experience immediate performance improvements.

Professional Assurance

All Trackhawk tunes are developed in-house with an emphasis on safe, consistent power and drivability. From stock examples to 1,000+ HP builds, our HP Tuners calibrations provide proven results for Jeep’s most powerful SUV.