Removal Procedure
- Remove the exhaust muffler. Refer to Muffler Muffler Replacement (4.3L, 4.8L & 5.3L Engines) or Muffler Replacement (6.0L, 6.6L & 8.1L Engines) .
- If equipped with a 6 1/2 ft box, remove the exhaust heat shield bolts.
- Remove the exhaust heat shield.
- If equipped with a 8 ft box, remove the exhaust heat shield bolts.
- Remove the exhaust heat shield.