*Do Not Purchase if you have purchased, or plan on purchasing an Underground Tune. Our tune comes with free PCM Unlocking*
Our one-time, send-in upgrade option will upgrade your original or spare PCM to enable tuning. Simply send us your PCM and we’ll send it back to you fully upgraded for tuning in the latest VCM Suite (BETA).
Make sure to include the make and model of your vehicle, the stock file, and your VIN when checking out (always double-check your VIN for accuracy to avoid delays). This service takes 1-3 business days to complete (not including shipping times).
Important Note:This is a send-in service that requires you to send Underground Tuning your original/spare PCM for servicing.
Please note this service is required to tune your 2015+ Dodge/Chrysler/Jeep/RAM (all FCA models, except the 2015+ Dodge Viper and 2014 to 2019 Jeep/Dodge/Ram vehicles with the EDC17C79 PCM).
Please allow 1 to 3 business days from once we receive your stock calibration file to process your order and apply your file to the new PCM.
Shipping address for send-in services: (You are responsible for shipping to our facility)
Underground Tuning [Insert Your Order Number Here] 11623 Fairgrove Industrial Blvd Maryland Heights, MO 63043
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 SwitchingFrom Mobile Phone!
Gain up to35horsepower 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 isPLUG & 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
Regular price
$760.00
Save $0.00
...
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 SwitchingFrom Mobile Phone!
Gain up to 35horsepower 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
Regular price
$760.00
Save $0.00
...
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 SwitchingFrom Mobile Phone!
Gain up to35horsepower 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 isPLUG & 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.
2015+ Chrysler 300 V6 Tune
Regular price
$1,030.00
Save $0.00
...
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 SwitchingFrom 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.
Due to different mods, fuel, & conditions, Horsepower and Torque increases will vary.
HOW TO REMOVE PCM
SMART ACCESS CABLE INSTALL
2011-2014 Dodge Charger SRT-8 Tune
Regular price
$760.00
Save $0.00
...
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!
20HP | 30TQ GAIN
KEY FEATURES:
Underground Tuning Device w/Map SwitchingFrom Mobile Phone!
Gain up to 20horsepower and 30FT/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 isPLUG & 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.