Valved Exhaust System, 911 GT3 / GT3 RS (992)

Valved system routing through an x-chamber muffler when shut and a large-diameter x-pipe when open, so the two states are genuinely different paths rather than one path with a flap in it.

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Published fitment
992 · GT3, GT3 RS
Recorded availability
In production. Confirm with the supplier.
Recorded price
No published price recorded

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Reported by a secondary source. Sources last accessed ; fitment is not independently verified.

ExhaustIn productionReported by a secondary source

Manufacturing

ManufacturerSoul Performance Products
Origin🇺🇸 United States
Assembled here
Soul states the systems are assembled in the USA. Tubing origin is not stated.
ProcessFabricated / Welded
Additively manufacturedNo
MaterialStainless Steel 304L
NotesMandrel-bent 0.065 in wall T304L, with billet head flanges and merge collectors cut on a 5-axis machine.

Published figures

BasisPublished by the manufacturer; not independently verified.
NotesFactory valve programming holds the valves shut to 4,000 rpm and opens them progressively through 5,000.

Fitment

992GT3, GT3 RS

Sources

  1. Porsche 992 GT3 / GT3 RS SOUL Valved Exhaust System — Soul Performance Products, accessed 2026-08-17