This is our tried and tested Power Pack for your Hellcat. This Power Pack is designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our Power Pack will give you the most reliable power!
110+HP | 70+TQ GAIN
HELLCAT POWER PACKAGE INCLUDES:
- Underground Tuning Device w/ Map Switching From Mobile Phone!
- Underground Power Pack Pulley
- 180 Degree Thermostat
- Engine Tune
- Transmission Tune
- PCM Unlock
- Smart Access Cable (2018+ Models)
OPTIONAL FEATURES:
- Burbles
- Advanced Burbles (Requires Stage 2)
- Super Burbles (Requires Stage 2)
- MDS Delete (Removes 4 Cylinder Mode)
- Multiple Octane Options (91 Octane & 93 Octane)
- Spare Unlocked PCM
MOBILE APP FEATURES:
- Map Switching From Mobile Device (Apple or Android)
- Return to Stock at Any Time
- Diagnosis & read fault codes from the motor & clear fault codes
- Data log & record the vehicles parameters and send them back to Underground Tuning
REQUIREMENTS BEFORE TUNING:
- 2015+ Mopar Vehicles Require a PCM Unlock (Included in the Price). You must remove your PCM from your vehicle and ship your PCM to be unlocked (Shipping Label Included in Price) (Unlocking takes 1 business day once arrived). Once reinstalled, you can tune from your Underground Tuning Device!
- 2018+ Mopar Vehicles Require a Smart Access Cable to be installed. You will receive a Smart Access Cable with your Underground Tuning Device if your vehicle year is 2018 and newer.
- PCM Removal Video Link
- Smart Access Installation Link
STAGE TUNE REQUIREMENTS:
- Stage 1: Factory Headers & Factory Mid Pipes
- Stage 2: Aftermarket Headers or Cat-less Mid Pipes
Due to different mods, fuel, & conditions, Horsepower and Torque increases will vary.
HOW TO REMOVE PCM |
SMART ACCESS CABLE INSTALL |
