C 2500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2001)
21. If equipped with a 6.6L engine, remove the exhaust muffler nuts.
22. With the aid of an assistant, support the exhaust muffler.
23. If equipped with a 6.0L or 8.1L engine, remove the insulators from the frame hangers.
24. With the aid of an assistant, slide the muffler rearward in order to remove the muffler from the catalytic converter.
25. Remove the insulators from the muffler hangers.
26. Remove the exhaust manifold pipe gasket, if necessary.
27. If equipped with a 6.0L engine, with RPO Y91, remove the insulator from the frame hanger.
