Dodge Challenger Hellcat Power Pack 5.7L Engineered for maximum compatibility with

Engineered for maximum compatibility with Underground Tuning's Super Pack package and other Hellcat applications

laser-engraved 360-degree timing marks

This is our tried and tested Power Pack for your TRX

Improved Throttle Response

Dodge Challenger Hellcat Power Pack 5.7L Engineered for maximum compatibility withThis is our tried and tested Power Pack for your Hellcat. This Power Pack is designed on a Dynojet dyno and tested in the real world! With months of research and development, you can trust our Power Pack will give you the most reliable power! 110+HP 70+TQ GAIN HELLCAT POWER PACKAGE INCLUDES: Underground Tuning Device w Map Switching From Mobile Phone! Underground Power Pack Pulley 180 Degree Thermostat Engine Tune Transmission Tune PCM Unlock Smart