This is a 2 PCS 2.5'' Inlet/Outlet Universal Catalytic Converter Fit from YITAMOTOR®.certifications:OBD I , OBD-II , Federal EPA , Non-CARB, material:Stainless steel, restricted states:California, new york, colorado, maine, converter type:Universal fit, cell count:400 cell, body shape:Round, inlet/outlet diameter:2.5" inside diameter, round body length:4", overall length:11", engine limit:2.5l, oxygen sensor ports:None, substrate:Ceramic, placement on vehicle:Left, placement on vehicle:Right, placement on vehicle:Front, placement on vehicle:Rear, interchange part number:410250, warranty:5 years or 50,000 miles limited