Squirrelly 4.5" MAF Mass Air Flow Adapter Plate for Mitsubishi EVO 8 9 VIII IX This Mass Air Flow (MAF) Sensor Adapter is designed to be used with any aftermarket air filter with 4.5" inlet. This 2003-2005 Evo 8/9 MAF Adapter is designed to be used with any aftermarket air filter with 4.5" inlet. It is cast from lightweight aluminum and will increase airflow and overall horsepower when mated to a high flow air filter! Fits: 2003-07 Mitsubishi Lancer EVO 8/9