Mustang GT 2018-2021 Calibration with Cold Air Intake and Throttle Body

SKU: M9603M8B

Non-Returnable Item

About This Item

About This Item

Unlock your Mustang GT's true power with Ford Performance's exclusive calibration, cold air intake, and 87mm throttle body. Enjoy sharper throttle response and a boost in horsepower and torque, all while remaining emissions legal and protected by a 3-year warranty.

Ford Racing Parts engineered performance calibration, cold air intake, performance throttle body, and ProCal 4 calibration delivery system for 5.0L Mustang GT

  • Fits 2018-2021 Mustang GT

  • Features enhanced throttle response

  • Ford Racing Parts calibrations feature exclusive Ford proprietary software and engineering 

  • Calibration is 50 state emissions legal with CARB EO (D-752-18)

  • Calibrations available for manual and automatic transmission

  • Allows gear ratio changes up to 4.09:1

  • Automatic calibrations feature optimized performance shift schedule

  • +42 lb-ft of torque at 2,000 rpm

  • +19 hp at 6,500 rpm

  • +18 lb-ft of torque at 4,500 rpm

  • Calibrations are for US and Canadian vehicles only

  • Comes with a 3yr/36k mile Ford Racing Parts warranty from new vehicle in-service when installed by a Ford dealer or ASE/Red Seal certified technician

  • Note: Oil-Air separator M-6676-A50A does not fit due to throttle body stack up/alignment.

  • [Not for Bullitt or Mach 1].

  • Premium fuel required for maximum performance


This kit includes:


Visit the FRP Performance Calibrations page to see the complete lineup.


***Calibration and ProCal 4 tool are VIN locked. Please contact the Tech Line with additional questions***


***NOTE*** ProCal 4 software only available for Windows 7 or greater.  Will NOT work with Windows 10 in "S Mode".


***NOTE*** ProCal 4 tool receives periodic firmware updates for greater usability and additional features.  Please connect tool to PC periodically to receive the updates automatically.