BBK Mass air flow meters MAF are a great choice for Mustang enthusiasts looking to improve airflow for increased performance or those who have upgraded to bigger fuel injectors. These BBK Mass Air flow sensors offer a large increase in air flow over stock and can add up to an additional 15 rear wheel horsepower depending on other modifications. All BBK mass air meters are CNC Machined large bore aluminum housings with a custom BBK calibrated electronic sensor placed on top to accurately measure air flow for accurate air fuel ratios. Available for 19lb, 24lb and 30lb fuel injectors with stock Factory Air Box calibrations (FAB) or Cold Air Calibrations (CAC) (Not Available For 94-04 Cobra Applications)