Evan Fischer REPC960321 Catalytic Converter for 99-02 Cavalier/Sunfire 99-01 Grand Am/Alero 5-year or 50,000-mile limited warranty Emission: 47-State Legal (Cannot Ship to CA or NY or ME) 1 Sensor Port, Downstream Oxygen Sensor Port Location, EPA N/TB6000/64805NN 39.5 in. overall length Single (3-bolt welded flange) Inlet | Single (3-bolt welded flange) Outlet