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Torque Specification

WARNING: This page is about a different car, the 2005 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATION - EXHAUST

Part tightened N.m kgf.cm ft.lbf
Exhaust manifold sub-assy RH x Cylinder head 44 449 32
Exhaust manifold sub-assy LH x Cylinder head 44 449 32
TWC x Exhaust manifold 62 632 46
Exhaust pipe assy front x TWC 43 438 32
No. 1 support bracket sub-assy x Transmission 43 438 32
Exhaust pipe assy center x Tailpipe assy 43 438 32
Oxygen sensor x Exhaust pipe assy front 43 438 32