Sierra 2500 Denali 2WD V8-6.0L (2011)
5. Remove the exhaust muffler isolator rod (2) from the exhaust isolator.
6. Remove the exhaust manifold pipe to exhaust manifold nuts (1) and discard the seal (2).
7. Remove the right catalytic converter (3) and seal (2), from the exhaust manifold with the bolts (1).
