Removal Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exhaust Hanger Insulators

Courtesy of GENERAL MOTORS CORP.

Lower the rear axle assembly. Refer to Rear Axle Replacement .
Remove the resonator pipe to the catalytic converter nuts.

Fig 2: Exhaust Pipe Insulators

Courtesy of GENERAL MOTORS CORP.

Separate the resonator pipe and the muffler from the insulators.
With the aid of an assistant, remove the resonator pipe and the muffler as one unit from the vehicle.
Discard the catalytic converter to the resonator pipe gasket.