Description
SOUL Performance’s Valved Exhaust replaces the GT4 RS’s undersized factory muffler path with full 3-inch oval tubing and a Helmholtz-based secondary flowpath to reduce drone. With the Valve Controller Kit, valve behavior can be tuned across the rev range to balance comfort, sound, and performance.
![SOUL Performance Valved Exhaust System with WEISSACH Tips for 982 Porsche 718 Cayman GT4 RS / Spyder RS [POR.718GT4RS.VES.WEI]](https://diamondusedparts.com/wp-content/uploads/2026/04/soul-performance-valved-exhaust-system-with-weissach-tips-for-982-porsche-718.jpeg)





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