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.

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
• 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

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

This is our tried and tested Chop Pack for your R/T. This Chop Pack is designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our Chop Pack will give you the most reliable power!

50+HP | 70+TQ GAIN

UNDERGROUND CHOP PACKAGE INCLUDES:

• Underground Tuning Device w/ Map Switching From Mobile Phone!
• Custom Underground Camshaft
• Installation (Please Call/Email to Book Your Installation)
• Hellcat Lifters
• Upgraded Pushrods
• Upgraded Valve Springs
• MDS Delete Kit
• Full Gasket and Seal Replacements
  
• Engine Tune
• Transmission Tune
• Dyno Session
• 180 Degree Thermostat
  
• PCM Unlock
  
• Smart Access Cable (2018+ Models)

OPTIONAL FEATURES:

• Burbles
  
• Advanced Burbles (Requires Stage 2)
  
• 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

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.