Removing Catalytic Converter

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 Porsche Panamera, 2022 Porsche Panamera, 2021 Porsche Panamera, 2020 Porsche Panamera, and 2019 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

Unscrew oxygen sensors downstream of catalytic converter -1 and 2- .

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Oxygen sensor downstream of catalytic converter

Remove V-band clamp -2- .

2.1 Loosen screw -1- and loosen and remove V-band clamp -2- from the flange.

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V-band clamp on catalytic converter

Loosen and remove ball clamps -2- .

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Ball clamps

Remove catalytic converter.

4.1 Unscrew and remove screw -1- .
4.2 Only for catalytic converter on cylinder bank 2: Remove catalytic converter holder -3- .
1. 4.2.1 Unscrew screws -2- and remove holder -3- .

4.3 Carefully guide out catalytic converter -4- at the relevant side.

Make sure not to damage the heat shields.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Catalytic converters with holder