2011-2014 Dodge Charger SRT-8 Tune 6.4L HEMI and a bold truck graphic

and a bold truck graphic that commands attention without shouting

If you do not have a Underground Tune

It bolts to the factory mounting locations with light-to-moderate mechanical skills

ATI Super Damper

Underground Hyper Pack Upper Pulley

2011-2014 Dodge Charger SRT-8 Tune 6.4L HEMI and a bold truck graphicThis 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