Exhaust System: Description and Operation

Exhaust System Component Location - 4.6L:

Heat Shields:

The exhaust system:
^ is constructed of stainless steel.
^ has a crossover pipe downstream of the three-way catalytic converters (TWCs).
^ has one stainless steel muffler that exits in back of the RH rear wheel.
^ contains dual three-way catalytic converters.
^ has two upstream heated oxygen sensors mounted before the TWCs and two downstream Catalyst Monitor Sensor (CMS) mounted after the TWCs.