Brothers Performance offers a wide selection of 1986-93 Mustang mass air flow meters or MAF. Upgrading your 1986-93 Mustang mass air meter will increase airflow and add horsepower while helping to maintain an accurate air/fuel ratio. Your Mustang uses the mass air meter to calculate how much air is entering the engine and must be calibrated specifically for the size of injector you have on the car. Our 1986-93 Mustang mass airflow meters are available in a variety of calibrations to match your application.