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!
FORESTER WITH 2.5L TEST GROUP 5FJXX02.5PGT LEV LEV1 OR 5FJXV02.5PRA LEV LEV1 CA OR NY APPROVED - CARB EXECUTIVE ORDER D193-96 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212