Sierra 3500 Denali 2WD V8-6.0L (2011)
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
5. Install the catalytic converter to muffler nuts and tighten to 45 Nm (33 lb ft).
6. For mufflers using a exhaust muffler clamp (Norma), install the catalytic converter to the exhaust muffler nut (1) and tighten the clamp to 28 Nm
(21 lb ft)