exhaustFlex Pipe Torque Specsfor 2021 GMC Yukon XL 5.3L V8 · 4WDUnitslb-ftNm10 fastenersSeqComponentTorqueAngle—Cover Screws10 lb-ft · 14 Nm——Exhaust Clamps41 lb-ft · 55 Nm——Flange Bolts33 lb-ft · 45 Nm——Hanger Bolts19 lb-ft · 25 Nm——Hanger Bolts19 lb-ft · 26 Nm——Heat Shield Bolts12 lb-ft · 16 Nm——Manifold NutsCriticalApply anti-seize31 lb-ft · 42 Nm——Mounting Bolts25 lb-ft · 34 Nm——O2 SensorCritical44 lb-ft · 59 Nm——O2 SensorCriticalApply anti-seize to threads44 lb-ft · 60 Nm—📝 Suggest a correction to this torque spec