The CTS Turbo catless downpipe is designed to improve exhaust gas flow and increase the performance potential of the BMW N55 engine with an electric wastegate.
It is developed using modern CAD technology, allowing it to be installed in place of the factory downpipe. It is made from T304 stainless steel and TIG-welded by hand with internal back-purging, ensuring long-term reliable operation.
Product details
- Precisely designed and tested on an actual vehicle in real-world conditions
- T304 stainless steel construction, TIG-welded with internal back-purging
- Noticeably improves flow compared with the restrictive factory downpipe
- Effective upgrade for increased performance potential
- More pronounced sporty exhaust note that remains subdued during gentle driving
- No unpleasant cabin drone when used with the factory exhaust system
Suitable engine software calibration is required to remove the check engine light (CEL), which will appear after installation. Use of the Bootmod3 software upgrade for the downpipe is recommended.
Important: This product is intended exclusively for use off public roads. It is not suitable for right-hand-drive (RHD) vehicles.
Suitable only for the N55 engine with an electric wastegate.
Suitable for: BMW X4 I (F26).
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