Front exhaust pipe with catalytic converter, removing and installing (right side): Removing

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Remove engine cover panel -arrows-.

Fig 1: Removing Engine Cover Panel
Courtesy of AUDI OF AMERICA, INC.
Remove air intake duct -arrows- between air cleaner and throttle valve unit.

Fig 2: Removing Air Intake Duct -Arrows- Between Air Cleaner And Throttle Valve Unit
Courtesy of AUDI OF AMERICA, INC.
Disconnect connector -1- for oxygen sensor after Three Way Catalytic Converter (TWC) and move wiring aside.
Disconnect connector -3- for oxygen sensor and move wiring aside.

Fig 3: Disconnecting Connector -3- For Oxygen Sensor
Courtesy of AUDI OF AMERICA, INC.
From above, remove bolt between exhaust pipe and exhaust manifold.
Remove right front road wheel.
From below, remove bolts -arrows- between exhaust pipe and exhaust manifold.

Fig 4: Removing Bolts -Arrows- Between Exhaust Pipe And Exhaust Manifold
Courtesy of AUDI OF AMERICA, INC.
Remove exhaust pipe at retainer -arrow-.

Fig 5: Removing Exhaust Pipe At Retainer
Courtesy of AUDI OF AMERICA, INC.
Loosen double clamp -2- and push it forward.

Fig 6: Locating Double Clamp -2-
Courtesy of AUDI OF AMERICA, INC.
Carefully remove exhaust pipe with catalytic converter.

CAUTION: DO NOT bend swivel joint of exhaust pipe by more than 10° to prevent damage.