Enhance the performance of the 2.3L EcoBoost engine in your 2021-2024 Bronco. Ford Performance Parts calibrations are engineered and dyno tested to deliver increased power and performance while maintaining reliability. THIS IS FOR THE VOUCHER ONLY!!! PRO-CAL 4 TOOL NOT INCLUDED!!!Peak Power = 330 hp @ 5,500 rpmPeak Torque = 385 lb-ft @ 3,500 rpmImproved throttle response throughout rpm rangeOptimized Shift Schedule for automatic transmission equipped vehiclesPremium Fuel Required3 year/36k mile warranty from new vehicle in-service date when installed by a Ford dealer or ASE/Red Seal certified technician Ability to change tire size up to BFG 37x12.5R17 KO2 size (579 revolutions per mile) (Additional modifications required)Ability to change axle/FDU ratio up to 5.38Enables upgrade of M190 to M210 front drive unit by reconfiguring DLCM moduleFor U.S. & Canadian VehiclesCARB E.O. #: D-431-6 for 2021- 2024 modelsPremium fuel requiredThe M-9603-B27VO calibration is also available for 2.7L (No ProCal 4 included)PRO-CAL 4 TOOL NOT INCLUDED!!! YOU MUST HAVE A PRO CAL 4 MARRIED TO THE VEHICLE YOU INTEND THE CALIBRATION FOR!!!! For complete calibration kit with the ProCal 4 tool, please see M-9603-B23VOUCHER AND EO LABEL WILL BE SENT WITHIN 2 BUSINESS DAYS.EXISTING PRO CAL TOOLS MARRIED TO OTHER VEHICLES WILL NOT WORK.Reverting to stock calibration with non-production tires/gears will result in error codes. Loss of functionality of critical systems may occur.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".Calibrations for manual transmission Broncos downloaded after July 15, 2024 no longer include the rev matching feature.