SSI Exhaust Manifolds with Catalytic Converters, air-cooled 911
SSI manifolds supplied with catalysts, for owners who want the upgrade and an MOT.
ExhaustIn productionconfidence: medium
Manufacturing
| Manufacturer | Dansk / SSI (JP Group) |
|---|---|
| Origin | 🇩🇰 Denmark Manufactured here JP Group Dansk, Denmark. |
| Process | Fabricated / Welded |
| Additively manufactured | No |
| Material | Stainless Steel 304L |
Fitment
| g-series | All models |
|---|---|
| 964 | All models |
Road use. Supplied with catalytic converters rather than as a delete.
Sources
- Porsche Air Cooled 911 SSI Exhaust Manifolds with Catalytic Converters — Classicfabs, accessed 2026-08-17