Silverado SS AWD V8-6.0L VIN N (2003)
17. If equipped with a 6.6L engine, remove the exhaust muffler nuts.
18. With the aid of an assistant, support the exhaust muffler.
19. If equipped with a 6.0L or 8.1L engine, remove the insulators from the frame hangers.
20. With the aid of an assistant, slide the muffler rearward in order to remove the muffler from the catalytic converter.
21. Remove the insulators from the muffler hangers
22. Remove the exhaust manifold pipe gasket, if necessary.
23. If equipped with a 6.6L engine, remove the insulators from tire frame hangers.
24. With the aid of an assistant, slide the muffler rearward in order to remove the muffler from the exhaust muffler pipe.
25. Remove the exhaust muffler gasket, if necessary.
26. Remove the insulators from the muffler hangers.
