Sierra 3500 Denali 2WD V8-6.0L (2011)
1. Lubricate the 5 insulators where the muffler assembly hangers are inserted in order to ease installation.
2. With the aid of an assistant, position and install the muffler assembly.
3. Install the insulator (1) to the rear tail pipe hanger.
4. Install the insulators (1-3) to the front, intermediate, and rear muffler assembly hangers.
