2021+ RAM TRX Tune
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! 70+HP | 40TQ GAIN KEY FEATURES: Underground Tuning Device w/ Map Switching From Mobile Phone! Gain up to 70+ horsepower and 40+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: 2015+ Mopar Vehicles Requir