This Catalytic Converter from YITAMOTOR® is suitable for 1999-2006 Subaru Impreza, Forester, Legacy, Outback, Baja.certifications:OBD I , OBD-II , Federal EPA , Non-CARB, material:Stainless steel, restricted states:California, New York, Colorado , Maine, fitment type:Direct replacement, inlet type:Dual (2-bolt welded flange), outlet type:Single (2-bolt welded flange), dimensions:35.5 in. overall length, connection type:2 bolt, oxygen sensor location:Pre & post catalyst, oxygen sensor ports:3, substrate:Ceramic, placement on vehicle:Front, placement on vehicle:Rear, oem part number:44200FE180, 44200FE050, warranty:5 years or 50,000 miles limited