Removing Rear Muffler

→ Let hot components cool down.

→ Wear personal protective gear.

1. Remove connecting strut between rear mufflers. -3-  or -3- 
   1. Clamping sleeves
   2. Centre holder
   3. Connecting strut between rear mufflers
   4. Rear holder
   Fig 1: Exhaust System Components (Tailpipe Covers Not Shown)
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   1. Clamping sleeves
   2. Centre holder
   3. Connecting strut between rear mufflers
   4. Rear holder
   5. Flap system vacuum unit (Turbo and Sport)
   Fig 2: Identifying Exhaust System Components (Tailpipe Covers Not Shown)
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. There is a small notch on the underside of the exhaust pipes that is level with the rear axle differential. The notch marks the connection point. -arrow- 
   Fig 3: Locating Rear Muffler Connection Point

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Place the pipe cutter chain chain pipe cutter Nr.166  or ratchet pipe cutter Nr.166-1  (or similar tool) around the exhaust pipe near the notch and engage in the other end of the pipe cutter. Then clamp the chain firmly by twisting the handle. → Placing pipe cutter chain around exhaust pipe 
   Fig 4: Placing Pipe Cutter Chain Around Exhaust Pipe

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Swivel the pipe cutter to and fro in wide movements until the pipe is cut through. While doing this, keep re-tensioning the chain by twisting the handle. → Cutting through pipe with pipe cutter 
   Fig 5: Cutting Pipe With Pipe Cutter

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. In the case of a flap exhaust system (with vacuum units), disconnect vacuum hose from the flap actuation vacuum unit.
6. Remove rear holder of the relevant rear muffler. Remove two fastening screws from each muffler for this purpose -1-  .
   Fig 6: Identifying Rear Muffler Holder

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Remove rear muffler.
8. De-burr cut on inside and outside of exhaust pipe. If necessary, remove rust from exhaust pipe using suitable polishing agents and manually restore to roundness.