Replace your factory 2003-04 Mustang GT 4.6 mass air meter with this direct swap Pro-M Racing 85mm mass air meter. This mass air meter is constructed of durable aluminum and flanged for a direct fit. Bench flowed and electronically calibrated for 19lb injectors you will get maximum performance out of this mass air meter.

Pro-M Racing mass air meters plug into your factory harness connector without modification. This mass Air Meter can be recalibrated to any injector size. This flanged design will fit any flanged cold air intake. All new electronics included.