Description
The Fabspeed Valvetronic Center Muffler Bypass X-Pipe is designed for Porsche vehicles without factory PSE, offering a dramatic sports car sound and a 10lb weight reduction compared to OEM equipment. Featuring Helical UK vacuum actuated valves, it provides an aggressive tone with the option for quieter driving. This precision hand-welded, dyno-proven system is a direct bolt-on replacement, with the option to reuse factory tips or upgrade to Fabspeed tips.
![Fabspeed Valvetronic Center Muffler Bypass X-Pipe for 991.2 Porsche 911 Carrera [FS.POR.9912.VLVXX]](https://diamondusedparts.com/wp-content/uploads/2026/04/fabspeed-valvetronic-center-muffler-bypass-x-pipe-for-9912-porsche-911.jpg)





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