This is our tried and tested tune for your Mustang. 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!

KEY FEATURES:

• Underground Tuning Device w/ Map Switching From Mobile Phone!
• Gain up to XX horsepower and XX FT/LBs of torque
• Launch Control
• 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)
• Multiple Octane Options (91 Octane, 93 Octane & E85)

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 Your Mustang!

STAGE TUNE REQUIREMENTS:

• Stage 1: Factory Headers & Factory Mid Pipes
• Stage 2: Aftermarket Headers or Cat-less Mid Pipes