Preliminary Work

WARNING: This page does not describe the selected car, but rather 7 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.

Remove both turbochargers.
> WM, 213019 REMOVING AND INSTALLING TURBOCHARGER (V8 BITURBO)
Remove catalytic converters.
> 267319 REMOVING AND INSTALLING CATALYTIC CONVERTER (V8)
Unscrew screws -1- and remove rear part of shield -2- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Rear part of shield