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Service bulletin No. 20-20

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10238792
Published by NHTSA2023-07-06
Manufacturer's numberNo. 20-20
Manufacturer's date2023-06-29
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Installation and conversion instructions for the sport exhaust system in the Panamera E-Hybrids

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
PORSCHE PANAMERA 4 E-HYBRID2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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