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Dodge Charger/Challenger Hellcat Power Pack
Dodge Charger/Challenger Hellcat Power Pack
$2,299.00
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Durango Hellcat Power Pack
Dodge Durango Hellcat Power Pack
$2,299.00
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Jeep Grand Cherokee Trackhawk Power Pack
Jeep Grand Cherokee Trackhawk Power Pack
$2,299.00
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RAM TRX Power Pack
RAM TRX Power Pack
$2,299.00

Dodge Charger/Challenger Hellcat Power Pack

$2,299.00 Save $-1,169.00

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 

 

Dodge Charger/Challenger Hellcat Power Pack

Dodge Durango Hellcat Power Pack

$2,299.00 Save $-1,169.00

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.

Durango Hellcat Power Pack

Jeep Grand Cherokee Trackhawk Power Pack

$2,299.00 Save $-1,169.00

This is our tried and tested Power Pack for your Trackhawk. 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.

Jeep Grand Cherokee Trackhawk Power Pack

RAM TRX Power Pack

$2,299.00 Save $-1,169.00

This is our tried and tested Power Pack for your TRX. 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.

RAM TRX Power Pack