Enhance the performance of your Explorer ST with the Ford Performance calibration.  The Ford Performance engineered and dyno tested calibration delivers the Ford Performance promise of more power and increased drivability without sacrificing reliability. 

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Enhance the performance of your 2.7L engine in your 2021-2022 Bronco. The Ford Performance engineered and dyno tested calibration delivers the Ford Performance promise of more power and increased drivability without sacrificing reliability. Improved throttle response throughout RPM range Optimized shift schedule Peak torque = 433 lb.-ft. at 3,500 RPM Peak power = 355 HP at 5,500 RPM Ability to change tire size up to 35" Ability to change axle ratio up to 4.70 For U.S. and Canadian vehicles 3 year/36k mile warranty from new vehicle in-service when installed by a Ford dealer or ASE/Red Seal certified technician CARB E.O. #: D-431-4 for 2021MY vehicles 49-state availability for 2022MY vehicles M-12655-F ProCal 4 delivery tool included * Premium fuel required*Learn More