Description
Direct bolt-on Fabspeed Sport Cats for BMW B58 use German HJS EURO 6–homologated tri-metallic cores to boost flow, performance, and reliability. CNC mandrel-bent T304L stainless construction preserves OEM-like fit with no cutting or welding required.
![Fabspeed Downpipe with Sport Cat for BMW and Toyota with B58 Engines [FS.BMW.M340.SC]](https://diamondusedparts.com/wp-content/uploads/2026/04/fabspeed-downpipe-with-sport-cat-for-bmw-and-toyota-with-b58-engines.jpg)





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