For 1990-2009 cars

### Removal Procedure

Caution: Refer to Exhaust Service Caution 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

Notice: Refer to Fastener Notice 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.

Tighten
Tighten the front muffler to connecting pipe nuts to 30 N·m (22 lb ft).

2. Using the nuts and the gasket secure the connecting pipe to the catalytic converter.

Tighten
Tighten the connecting pipe to catalytic converter nuts to 40 N·m (30 lb ft).

3. Install the front exhaust pipe mounting bracket bolt.

Tighten
Tighten the bracket bolt to 40 N·m (30 lb ft).

4. Install the rear heated oxygen sensor.

Tighten
Tighten the rear heated oxygen sensor to 41 N·m (30 lb ft).