Exhaust System

WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Installation overview:

Fig 1: Exhaust System Components Location With Torque Specification

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Exhaust system in installation position

1	Exhaust system to turbocharger
2	Screws for catalytic converter/particle filter holder > Tightening torque 23 Nm (17 ftlb.) +/- 10 %
3	V-band clamps - replace clamp and seal > Tightening torque 20 Nm (15 ftlb.)
4	Clamping sleeves securing rear silencer to catalytic converter > Tightening torque 30 Nm (22 ftlb.) +/- 10 %
5	Clamps > Tightening torque 15 Nm (11 ftlb.) +/- 10 %

Exhaust flap actuator:

Fig 2: Exhaust Flap Actuator Components Location With Torque Specification

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Exhaust flap actuator

1	Exhaust flap actuator -1-
2	Screws, M6 -2- > Tightening torque 10 Nm (7.5 ftlb.) +/- 1.5 Nm (1 ftlb.)

Location	Description	Type	Basic value	Tolerance
Nuts for heat shield over rear silencer	Item 2	Tightening torque	2.5 Nm (1.75 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Heat shield (over rear silencer) from above

Installation overview:

Fig 1: Exhaust System Components Location With Torque Specification

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Exhaust system in installation position

1	Exhaust system to turbocharger
2	Screws for catalytic converter/particle filter holder > Tightening torque 23 Nm (17 ftlb.) +/- 10 %
3	V-band clamps - replace clamp and seal > Tightening torque 20 Nm (15 ftlb.)
4	Clamping sleeves securing rear silencer to catalytic converter > Tightening torque 30 Nm (22 ftlb.) +/- 10 %
5	Clamps > Tightening torque 15 Nm (11 ftlb.) +/- 10 %

Exhaust flap actuator:

Fig 2: Exhaust Flap Actuator Components Location With Torque Specification

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Exhaust flap actuator

1	Exhaust flap actuator -1-
2	Screws, M6 -2- > Tightening torque 10 Nm (7.5 ftlb.) +/- 1.5 Nm (1 ftlb.)

Location	Description	Type	Basic value	Tolerance
Nuts for heat shield over rear silencer	Item 2	Tightening torque	2.5 Nm (1.75 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Heat shield (over rear silencer) from above