6.4L HEMI

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2011-2014 Jeep Grand Cherokee SRT-8 Tune

$760.00

2015-2021 Jeep Grand Cherokee SRT Tune

$1,090.00

2011-2014 Jeep Grand Cherokee SRT-8 Tune

$760.00

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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!

20HP | 30TQ GAIN

KEY FEATURES:

Underground Tuning Device w/ Map Switching From Mobile Phone!
Gain up to 20 horsepower 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 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.