Exhaust System: Description and Operation

WARNING: The normal operating temperature of the exhaust system is very high. Never attempt to repair any part of the system until it has cooled. Be especially careful when working around the three way catalytic converter. The temperature of the three way catalytic converter rises to a high level after only a few minutes of engine operation. Failure to follow these instructions may result in personal injury.

CAUTION: When repairing the exhaust system or removing exhaust components, disconnect all Heated Oxygen Sensors (H02S) at the wiring connectors to prevent damage to the heated oxygen sensors and wiring harness.

The exhaust system:
^ contains dual three way catalytic converters.
^ has a crossover pipe downstream of the three way catalytic converters.
^ has two upstream heated oxygen sensors mounted before the three way catalytic converters.
^ the production muffler and tailpipe assembly is a one-piece design.