Downpipe · ComponentHeat Shield Boltsfor 2021 Mazda Mazda3 2.5L I4 · FWDUnitslb-ftNmTorque7lb-ft10 NmOther components in DownpipeCover Screws8 lb-ft · 11 NmExhaust Flange Bolts33 lb-ft · 45 NmFlange Bolts35 lb-ft · 47 NmHanger Bolts15 lb-ft · 20 NmMounting Bolts20 lb-ft · 27 NmO2 Sensor33 lb-ft · 45 Nm📝 Suggest a correction to this torque spec