Dodge Durango Hellcat Power Pack

$2,299.00 $2,069.00 Save $230.00
-1 in stock
Durango Hellcat Power Pack

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.

Mobile App Tuning

Switch Maps, Diagnosis & read fault codes from the motor, Clear codes, Data log, & much more with our mobile app! Comes standard with all tunes!

Underground tuning device

Plugging the Underground Tuning Device into your OBDII Port allows you to connect to your Mobile Device Via Bluetooth and adjust your tune with ease!

Burble tuning

What makes Underground Tuning Unique from the rest is our ability to add Burbles to your Mopar. Also giving you the ability to turn it on and off from the mobile app!

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This is our tried and tested tune for your Mopar. These tunes were designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our tunes will give you the most reliable power!

35HP | 60+TQ GAIN

KEY FEATURES:

  • Underground Tuning Device w/ Map Switching From Mobile Phone!
  • Gain up to 35 horsepower and 60+FT/LBs of torque
  • Fully Disabled Traction/Stability Control From Traction Control Button
  • Improved Throttle Response
  • Top Speed Limiter Removed
  • Neutral/Park Rev Limiter Raised to Redline
  • Ignition timing enhancements
  • Air/Fuel Ratio enhancements

OPTIONAL FEATURES:

  • Burbles
  • Advanced Burbles (Requires Stage 2)
  • MDS Delete (Removes 4 Cylinder Mode)
  • Multiple Octane Options (91 Octane & 93 Octane)

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:

  • This Tune is PLUG & PLAY! Just plug the Underground Tuning Device into your OBDII Port and Tune From Your Phone! No Unlocking Required For Mopar Models 2014 & Older!

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.

2011-2014 Chrysler 300 5.7L Hemi Tune

$760.00 $684.00 Save $76.00
2011-2014 Chrysler 300 5.7L Hemi Tune
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This is our tried and tested tune for your Mopar. These tunes were designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our tunes will give you the most reliable power!

35HP | 60+TQ GAIN

KEY FEATURES:

  • Underground Tuning Device w/ Map Switching From Mobile Phone!
  • Gain up to 35 horsepower and 60+FT/LBs of torque
  • Fully Disabled Traction/Stability Control From Traction Control Button
  • Improved Throttle Response
  • Top Speed Limiter Removed
  • Neutral/Park Rev Limiter Raised to Redline
  • Ignition timing enhancements
  • Air/Fuel Ratio enhancements

OPTIONAL FEATURES:

  • Burbles
  • Advanced Burbles (Requires Stage 2)
  • MDS Delete (Removes 4 Cylinder Mode)
  • Multiple Octane Options (91 Octane & 93 Octane)

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:

  • This Tune is PLUG & PLAY! Just plug the Underground Tuning Device into your OBDII Port and Tune From Your Phone! No Unlocking Required For Mopar Models 2014 & Older!

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.

2011-2014 Dodge Durango 5.7L Hemi Tune

$760.00 $684.00 Save $76.00
2011-2014 Dodge Durango 5.7L Hemi Tune
2011-2014 Dodge Durango 5.7L Hemi Tune
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2011-2014 Dodge Durango 5.7L Hemi Tune

This is our tried and tested tune for your Mopar. These tunes were designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our tunes will give you the most reliable power!

35HP | 60+TQ GAIN

KEY FEATURES:

  • Underground Tuning Device w/ Map Switching From Mobile Phone!
  • Gain up to 35 horsepower and 60+FT/LBs of torque
  • Improved Throttle Response
  • Top Speed Limiter Removed
  • Neutral/Park Rev Limiter Raised to Redline
  • Ignition timing enhancements
  • Air/Fuel Ratio enhancements

OPTIONAL FEATURES:

  • Burbles
  • Advanced Burbles (Requires Stage 2)
  • MDS Delete (Removes 4 Cylinder Mode)
  • Multiple Octane Options (91 Octane & 93 Octane)

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:

  • This Tune is PLUG & PLAY! Just plug the Underground Tuning Device into your OBDII Port and Tune From Your Phone! No Unlocking Required For Mopar Models 2014 & Older!

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.

2011-2021 Jeep Grand Cherokee 5.7L Hemi Tune

$760.00 $684.00 Save $76.00
2011-2021 Jeep Grand Cherokee 5.7L Hemi Tune
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2011-2021 Jeep Grand Cherokee 5.7L Hemi Tune

This is our tried and tested tune for your Mopar. These tunes were designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our tunes will give you the most reliable power!

35HP | 60+TQ GAIN

KEY FEATURES:

  • Underground Tuning Device w/ Map Switching From Mobile Phone!
  • Gain up to 35 horsepower and 60+FT/LBs of torque
  • Improved Throttle Response
  • Top Speed Limiter Removed
  • Neutral/Park Rev Limiter Raised to Redline
  • Ignition timing enhancements
  • Air/Fuel Ratio enhancements

OPTIONAL FEATURES:

  • Burbles
  • Advanced Burbles (Requires Stage 2)
  • MDS Delete (Removes 4 Cylinder Mode)
  • Multiple Octane Options (91 Octane & 93 Octane)

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.

2015+ Chrysler 300 V6 Tune

$1,030.00 $927.00 Save $103.00
2015+ Chrysler 300 V6 Tune

This is our tried and tested tune for your Mopar. These tunes were designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our tunes will give you the most reliable power!

15HP | 15TQ GAIN

KEY FEATURES:

  • Underground Tuning Device w/ Map Switching From Mobile Phone!
  • Gain up to 15 horsepower and 15+FT/LBs of torque
  • Improved Throttle Response
  • Top Speed Limiter Removed
  • Neutral/Park Rev Limiter Raised to Redline
  • Ignition timing enhancements
  • Air/Fuel Ratio enhancements

OPTIONAL FEATURES:

  • Burbles
  • Multiple Octane Options (91 Octane & 93 Octane)

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

Due to different mods, fuel, & conditions, Horsepower and Torque increases will vary.

HOW TO REMOVE PCM

SMART ACCESS CABLE INSTALL