Muffler · ComponentHanger Bracket Boltsfor 2012 Mazda Mazda3 2.0L I4 · FWDUnitslb-ftNmTorque18lb-ft25 NmOther components in MufflerClamp Bolts40 lb-ft · 54 NmFlange Bolts30 lb-ft · 41 NmHanger Bolts15 lb-ft · 20 NmMuffler Clamps41 lb-ft · 55 NmO2 Sensor35 lb-ft · 47 Nm📝 Suggest a correction to this torque spec