Component Overview

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Overview Of Exhaust System Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Item	Designation	Explanation
1	Rear silencer
2	Tailpipe cover, left	Align when installing the rear apron
3	Tailpipe cover, right	Align when installing the rear apron
4	Holder for rear silencer	Secured to engine carrier
5	Screw for restraining strap	Tightening torque: 15 Nm (11 ft. lb.)
6	Turbocharger flange seal	Replace
7	Oxygen sensor downstream of catalytic converter	Pay attention to safety instructions
8	Oxygen sensor upstream of catalytic converter	Pay attention to safety instructions
9	Heat shield
10	Lock nut, M8	Replace
11	Catalytic converter 1-3
12	Catalytic converter 4-6
13	Restraining strap

Disconnect plug connections -1- and -2- for oxygen sensors on both cylinder banks.

Fig 2: Identifying Oxygen Sensor Connectors
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Expose lines up to the oxygen sensors.
Unscrew Torx screws (M6 x 12) securing heat shield to turbocharger oil tank.
Unscrew M8 lock nuts -arrows- .

Fig 3: Locating Lock Nuts On Rear Silencer
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Get another person to help support the exhaust system.
Unscrew cheese head bolts (M8 x 50) -arrows- on the restraining straps.

Fig 4: Locating Rear Silencer Restraining Straps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Slide restraining straps -arrows- down off the holders.

Fig 5: Sliding Straps On Rear Silencer (Engine Side)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove exhaust system and heat shields with the help of another person.