A faulty Oxygen Sensor is a primary reason for Failure of a Catalytic Converter. Car Manufacturers Recommend Replacement of O2 Sensors at 60,000 miles. If you are purchasing a New Catalytic Converter be sure the Oxygen Sensors are Checked and Operating Correctly!
SUPER HEAVY LOADED CONVERTER 5 YEAR 50,000 MILE WARRANTY 2.50 INLET X 2.50 OUTLET ROUND O2 SENSOR PORT MIDDLE BED OF CONVERTER UP TO 5.9L AND 6500 LBS. GVW EXCEPT VEHICLES REGISTERED IN CALIFORNIA OR NEW YORK WITH CA EMMISSONS