This Active Autowerke GESI catted downpipe is built for the BMW N55 engine family found in F3X models including the M235i, 335i, and 435i, as well as the F87 M2. It replaces the factory downpipe to improve exhaust flow while keeping a catalytic converter in place.
Because it carries a GESI catalytic converter, the downpipe is a direct-fit upgrade for drivers who need emissions compliance alongside increased exhaust capacity. It is designed as a bolt-on component for the listed BMW chassis and engine codes.
Key Features
| Brand | Active Autowerke |
| Product Type | Catted Downpipe |
| Compatibility | BMW N55 F3X M235i, 335i, 435i; F87 M2 |
| Engine Code | N55 |
| Chassis | F3X, F87 |
| Catalytic Converter | GESI |
| Material | Stainless Steel |
| Installation | Direct Bolt-On |
Highlights
- GESI catted design
- Direct bolt-on fitment
- Stainless steel construction
- For BMW N55 F3X and F87 M2 models
Compatibility
Fits BMW N55 engine models: F3X M235i, 335i, 435i, and F87 M2.
Frequently asked questions
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