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

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.