For 1990-2009 cars

### Removal Procedure

Warning: Refer to Exhaust Service Warning in the Preface section.

1. Remove the rear heated oxygen sensor.
2. Remove the connecting pipe mounting bracket bolt.
3. Remove the connecting pipe nuts and the gasket from the catalytic converter.
4. Remove the nuts from the front muffler pipe to the connecting pipe.
5. Clean the sealing surfaces on the front muffler pipe flange and the connecting pipe.
6. Check the connecting pipe for holes, damage, open seams, or other deterioration which could permit exhaust fumes to seep into the passenger compartment.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Install the catalytic converter and the connecting pipe and the gasket to the front muffler pipe flange. Use the nuts to secure the converter and the connecting pipe and tighten to 30 N·m (22 lb ft).
2. Using the nuts and the gasket secure the connecting pipe to the catalytic converter and tighten to 40 N·m (30 lb ft).
3. Install the front exhaust pipe mounting bracket bolt and tighten to 40 N·m (30 lb ft).
4. Install the rear heated oxygen sensor and tighten to 41 N·m (30 lb ft).