Exhaust System: Description and Operation

Exhaust Components:

All vehicles are fitted with a five-muffler, stainless steel exhaust system which features:
Low back-pressure gas flow.
Catalytic converters for markets having unleaded fuel.
Front muffler common to the left- and right-hand engine cylinder banks.

Downpipe Assembly:

The left- and right-hand downpipe assemblies feature:
Catalytic converter with palladium/rhodium coated elements. The elements are uncoated for markets with only leaded fuel.
Exhaust manifold fixing by four threaded studs. Joint-to-joint sealing is with a gasket.
Engine-mounted bracket providing downpipe mounting by two nuts to torque converter and two bolts to downpipe.







The front muffler assembly features:
Twin-pipe absorption type muffler.
Pipe-to-pipe pressure damping.
Inlet and outlet pipes welded to the muffler.
Inlet pipes joined together by a loose metal tie strap secured by two nuts and bolts.







The left- and right-hand intermediate muffler assemblies comprise:
Absorption type muffler.
S Inlet and outlet pipes welded to the muffler.
Over-axle mounting peg welded to the outlet pipe located into a bush in a D-shaped rubber block, which is bonded to a cradle bolted to the rear suspension crossmember.







The left- and right-hand rear muffler assemblies comprise:
Absorption type muffler.
Inlet pipe and tailpipe welded to the muffler.
Arrow-headed mounting peg welded to the tailpipe, held in a rubber suspension ring from a body attachment point.
Finisher integral with the tailpipe.







All pipe-to-pipe joints are slip joints and feature:
Clamping by Torca strap clamp.
Indicator rings providing Maximum, Minimum and Nominal engagement marks.