This Front Catalytic Converter Compatible with 2006-2010 Subaru Forester, 2006-2011 Impreza, 2006-2012 Legacy/Outback, 2006 Saab 9-2X 2.5L.\r 1. More Efficient Purification\r Enlarged honeycomb ceramic substrates will fully react with ample catalysts for a 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 (3-bolt welded flange), outlet type:Single (3-bolt welded flange), connection type:3 bolt, oxygen sensor location:Pre & post catalyst, substrate:Ceramic, placement on vehicle:Front, oem part number:44620ab620,44620ac07a,44620aa76a, warranty:5 years or 50,000 miles limited