Flex Pipe · ComponentFlange Boltsfor 2009 GMC Envoy 5.3L V8 · 4WDUnitslb-ftNmTorque44lb-ft59 NmOther components in Flex PipeCover Screws10 lb-ft · 14 NmHanger Bolts19 lb-ft · 25 NmMounting Bolts25 lb-ft · 34 NmO2 Sensor44 lb-ft · 59 Nm📝 Suggest a correction to this torque spec