exhaustMuffler Torque Specsfor 1990-2000 Lexus LS 400 4.0L V8 · RWDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Clamp BoltsCritical40 lb-ft · 54 Nm——Flange BoltsCriticalApply anti-seize30 lb-ft · 41 Nm——Hanger Bolts15 lb-ft · 20 Nm——Hanger Bracket Bolts18 lb-ft · 25 Nm——Muffler Clamps41 lb-ft · 55 Nm——O2 SensorCritical40 lb-ft · 55 Nm—📝 Suggest a correction to this torque spec