Installation Procedure

Fig 1: Rear Exhaust Muffler & Isolators

Courtesy of GENERAL MOTORS COMPANY

Fig 2: Intermediate Exhaust Components

Courtesy of GENERAL MOTORS COMPANY

Install the intermediate exhaust front muffler (5) to the front exhaust hanger isolators (2).

Fig 3: 3-Way Catalytic Converter & Exhaust Gasket

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

Install the 3-way catalytic converter (4) into the exhaust Isolators (3) with a NEW gasket (2) and tighten the fasteners (1) to 17 N.m (13 lb ft).

Fig 4: Rear Exhaust Muffler & Isolators

Courtesy of GENERAL MOTORS COMPANY

Fig 5: Exhaust Front Pipe, Rear Exhaust Muffler & Bolts

Courtesy of GENERAL MOTORS COMPANY

NOTE:

There are 3 different exhaust muffler clamps depending on the diameter of the exhaust pipe.

Position the exhaust front pipe (3) into the exhaust muffler clamp.
Install the rear exhaust muffler (2) into the exhaust muffler clamp and tighten the bolt (1) to 50 N.m (37 lb ft).
Lower the vehicle.
Start the engine and check for exhaust leaks.