Removal Procedure

IMPORTANT: The originally equipped, welded exhaust extension pipe can be cut and reused when installing a service muffler, if the extension pipe is in acceptable condition.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Support the exhaust muffler.
Cut the exhaust extension pipe just forward of the weld at the front of the exhaust muffler.

Fig 1: Removing Exhaust Muffler

Courtesy of GENERAL MOTORS CORP.

Release the muffler insulator from the underbody hanger and remove the exhaust muffler.
Deburr the extension pipe end as necessary.