exhaustFlex Pipe Torque Specsfor 2017 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDUnitslb-ftNm10 fastenersSeqComponentTorqueAngle—Cover Screws8 lb-ft · 11 Nm——Exhaust Clamps41 lb-ft · 55 Nm——Flange Bolts33 lb-ft · 45 Nm——Hanger Bolts15 lb-ft · 20 Nm——Hanger Bolts20 lb-ft · 27 Nm——Heat Shield Bolts14 lb-ft · 19 Nm——Manifold NutsCriticalApply anti-seize34 lb-ft · 46 Nm——Mounting Bolts20 lb-ft · 27 Nm——O2 SensorCriticalApply anti-seize to threads47 lb-ft · 64 Nm——O2 SensorCritical35 lb-ft · 47 Nm—📝 Suggest a correction to this torque spec