Titanium Muffler, 911 GT3 (997.1)
Titanium muffler assembly quoted at 25 lb under stock, against 10 lb for the same part in 321 stainless.
Exhaust In production confidence: medium
Manufacturing
| Manufacturer | Dundon Motorsports |
|---|---|
| Origin | 🇺🇸 United States Vendor head office — place of manufacture not stated |
| Process | Fabricated / Welded |
| Additively manufactured | No |
| Material | Titanium (grade not disclosed) |
| Notes | Grade not published. The stainless variant of the same muffler is offered in 321. |
Published figures
| Basis | Published by the manufacturer; not independently verified. |
|---|---|
| Notes | Published as 25 lb (11.3 kg) lighter than stock in titanium; the 321 stainless version saves 10 lb (4.5 kg). The delta between the two is a clean illustration of what the material alone buys. |
Fitment
| 997.1 | GT3, GT3 RS |
|---|
Sources
- Porsche 997.1 GT3 Exhaust Systems — Dundon Motorsports, accessed 2026-08-17