PMAS HPX-F Mass Airflow Sensor 11-14 FORD – Tune Required PMAS Sale! from 24900 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Extended range MAF; 11-14 Ford connector; MAF 3″ Tube 800+WHP; 3.5″ Tube 1000+WHPHPX-F Transfer Function