Installing Rear Silencer

Information 

• Replace clamping sleeve, seal and lock nuts. Apply a light coating of high-temperature grease on the sleeve before installation to facilitate fitting. 

1. Fit new suspension rubbers or holders if necessary.
2. Push new exhaust clamp onto exhaust pipe.
3. Lift rear muffler into installation position with the help of a second mechanic. Tighten both fastening screws -1-  to the specified tightening torque. → Tightening torque: 23 Nm (17 ftlb.) 
   Fig 1: Identifying Rear Muffler Holder

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4. Move exhaust clamp (clamping sleeve) into installation position and fit it. The threaded joint must be pointing downwards. Adjust to maximum inclination and ensure the assembly length is the same on both exhaust pipes. → Installation position of exhaust clamp  → Adjustment value: 10° → Tightening torque: 23 Nm (17 ftlb.) 
   Fig 2: Identifying Installation Position Of Exhaust Clamp

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   1. Gap of approx. 5 mm between the exhaust pipes
   2. Exhaust clamp length = 95 mm
   3. Maximum inclination → Adjustment value: 10° 
5. Install connecting strut between rear mufflers. -3-  or -3- → Tightening torque: 23 Nm (17 ftlb.) 
   1. Clamping sleeves
   2. Centre holder
   3. Connecting strut between rear mufflers
   4. Rear holder
      Fig 3: Exhaust System Components (Tailpipe Covers Not Shown)

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   1. Clamping sleeves
   2. Centre holder
   3. Connecting strut between rear mufflers
   4. Rear holder
   5. Flap system vacuum unit (Turbo and Sport)
   Fig 4: Identifying Exhaust System Components (Tailpipe Covers Not Shown)
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. In the case of a flap exhaust system (with vacuum units), connect vacuum hose to the flap actuation vacuum unit.