Installation Procedure

Install the muffler and NEW gasket to the vehicle.
Connect the insulator to the muffler and tail pipe hanger.

Fig 1: Connecting Insulator To Muffler And Tail Pipe Hanger
Courtesy of GENERAL MOTORS CORP.
Connect the insulators to the muffler hanger (4-door utilities).

Fig 2: Connecting Insulators To Muffler Hanger (4-Door Utilities)
Courtesy of GENERAL MOTORS CORP.
Connect the insulator to the tail pipe hanger.

Fig 3: Connecting Insulator To Tail Pipe Hanger
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the muffler to catalytic converter flange nuts.
Tighten

Tighten the muffler to catalytic converter flange nuts to 40 N.m (30 lb ft).
Lower the vehicle.

Fig 4: Installing Muffler To Catalytic Converter Flange Nuts
Courtesy of GENERAL MOTORS CORP.