F1 Sound Valvetronic Exhaust System, GT3 (996 / 997)
Valve-controlled bypass system tuned for a high-rpm note, rather than a conventional muffler swap.
- Published fitment
- 996 · GT3997 · GT3, GT3 RS
- Recorded availability
- In production. Confirm with the supplier.
- Recorded price
- No published price recorded
Reported by a secondary source. Sources last accessed ; fitment is not independently verified.
ExhaustIn productionReported by a secondary source
Manufacturing
| Manufacturer | Kreissieg (クライスジーク) |
|---|---|
| Origin | 🇯🇵 Japan Manufactured here Kreissieg, Japan. |
| Process | Fabricated / Welded |
| Additively manufactured | No |
| Material | Stainless Steel 304L |
| Notes | The valve is the product — sound character is switched rather than fixed at build. |
Fitment
| 996 | GT3 |
|---|---|
| 997 | GT3, GT3 RS |
Sources
- クライスジーク ポルシェ F1サウンド バルブトロニック エキゾーストシステム — Kreissieg Japan, accessed 2026-08-17