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
2015+ Chrysler 300 5.7L V8 Tune
Regular price
$1,090.00
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 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
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.