Subaru Impreza WRX / STi. The item "MAF AFM Mass Air Flow Meter Sensor for Subaru Impreza WRX / STi EJ20 22680-AA280" is in sale since Tuesday, November 12, 2019. This item is in the category "Vehicle Parts & Accessories\Car Parts\Air Intake & Fuel Delivery\Air Intake & Fuel Sensors". The seller is "rawcarparts_com" and is located in Oswestry. This item can be shipped worldwide.