Evan Fischer REPF960346 Catalytic Converter for 05-09 Ford Mustang 6 Cyl Center 5-year or 50,000-mile limited warranty Emission: 47-State Legal (Cannot Ship to CA or NY or ME) 4 Sensor Ports, Upstream and Downstream Oxygen Sensor Port Location, EPA N/TB6000/64805NN 52.5 in. overall length Dual (2-bolt spinner flange) Inlet | Single (2.5 in. OD) Outlet