Fabspeed Porsche 987 Boxster / Cayman TrackTec Valved Bypass Exhaust System (2005-2008) girodisc This exhaust system is built

This exhaust system is built with aerospace-grade Helical Limited exhaust valves

In an application like the BMW S58 engine that is limited by the available space for proper installation of the manifold (with no modifications)

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5 liter engine build too

I typically don’t respond to negativity thrown our way

Fabspeed Porsche 987 Boxster / Cayman TrackTec Valved Bypass Exhaust System (2005-2008) girodisc This exhaust system is builtOur esteemed sporty Maxflo Exhaust tone with a raw, race car roar and extra power at the press of a button thanks to muffler bypass valves. One exhaust, two unique tones. Fabspeed engineers are always tinkering, and we wanted to try something a little different. We incorporated muffler bypass valves into the inlet pipes of our Maxflo Exhaust system to unleash an additional raw, race car like tone at the press of a button. We're proud to now offer the