Evan Fischer REPF960308 Catalytic Converter for 05-07 F-250/F-350/F-450/F-550 Super Duty 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/TB6000/63005NN 52 in. overall length Single (2-bolt spinner flange) Inlet | Single (4-bolt welded flange) Outlet