BMW N55 Performance Exhaust
4" Racing Turbo Downpipe
This 4-inch stainless steel racing downpipe is designed for selected BMW N55 turbo applications, helping improve exhaust flow downstream of the turbocharger while reducing restriction compared with the factory exhaust setup.
Built from 304 stainless steel with CNC-machined flanges and TIG/MIG welded construction, this downpipe is designed for durability and smoother exhaust flow on compatible BMW N55 models.
Vehicle Fitment
Designed for the following U.S.-spec BMW N55 turbo applications. Check the model year, chassis code and engine before ordering.
| BMW Model | Chassis | Model Year | Engine |
|---|---|---|---|
| 535i / 535i xDrive Gran Turismo | F07 | 2017 | N55 3.0L |
| 640i Gran Coupe | F06 | 2017-2019 | N55 3.0L |
| 640i Convertible | F12 | 2017-2018 | N55 3.0L |
| 640i Coupe | F13 | 2017 | N55 3.0L |
| X5 xDrive35i | F15 | 2017-2018 | N55 3.0L |
| X6 xDrive35i | F16 | 2017-2019 | N55 3.0L |
Key Features
- 4" inlet and 3.15" outlet design.
- 304 stainless steel construction.
- CNC-machined stainless steel flange for improved fitment consistency.
- TIG/MIG welded construction for durability.
- Mandrel-bent tubing designed to support smoother exhaust flow.
- Integrated flex section.
- Direct bolt-on design for compatible BMW N55 applications.
Technical Specifications
- Product Type
- Racing Turbo Downpipe
- Engine
- BMW N55 3.0L Turbo
- Material
- 304 Stainless Steel
- Inlet Size
- 4"
- Outlet Size
- 3.15"
- Construction
- CNC-Machined Flanges, TIG/MIG Welded Tubing
- Install Type
- Direct Bolt-On
- Tuning
- Recommended
- Vehicle Application
- Selected BMW N55 F07, F06, F12, F13, F15 and F16 Chassis
Package Includes
- 1 x 4" Racing Downpipe
Please check the product photos and confirm all included components before installation. If your vehicle requires additional hardware, gaskets or tuning support, confirm the requirements before ordering.
Installation Notes
- Direct bolt-on design for compatible BMW N55 applications.
- Professional installation is recommended.
- Test fitment before final installation.
- Confirm model year, chassis code, engine and exhaust configuration before installation.
- Tuning is recommended depending on your vehicle setup.
Before You Buy
- For off-road or racing use only where emissions laws apply.
- Please check applicable emissions regulations before purchase and installation.
- Performance gains may vary depending on vehicle condition, supporting modifications and tuning.
- If you are unsure about fitment, contact us before ordering.
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