911 Targa 4 (997) Exhaust System Installation - TSB
7.2 Remove support strut from the original rear muffler and use new nuts -> Figure 23 -arrows- to secure it to the new -> Figure 23 -I- rear
silencer.
Tightening torque 23 Nm(17ftlb.)
7.3 Install new rear mufflers.
7. 3. 1 Install the rear mufflers with the help of another technician.
INFORMATION: Available space restricted at the left rear muffler.
7. 3. 2 Secure the steel flexi-pipe -> Figure 24 -19- to the vacuum unit with a hose clamp -> Figure 24 -arrow-.
7. 3. 3 Secure rear muffler. -> Workshop Manual '263319 Removing and installing rear silencer
7. 3. 4 Screw in side fastening screws on the rear apron.
INFORMATION: Do not loosen hexagon socket screw arrow B. This was fitted at the factory using screw locking compound and tightened to the
specified tightening torque.