Description
One of the most clever and character-transforming upgrades available for the Porsche 986 platform.
The SOUL Performance Valved Muffler Bypass Conversion preserves the composed factory manners of the Boxster when the valves are closed, then completely changes the personality of the car at the press of a button. With the valves open, exhaust flow bypasses the factory mufflers and unleashes a far sharper, race-inspired flat-six tone reminiscent of early Porsche CUP cars.
Designed specifically around Porsche’s removable muffler section architecture, the system integrates cleanly into the factory exhaust layout while maintaining refined startup behavior and minimal drone during normal driving. Valves default to closed mode on startup, preserving a quiet and controlled experience when desired.
Constructed in-house at SOUL Performance’s Willow Grove, Pennsylvania facility using OEM Porsche muffler piping and application-specific valves, the system delivers a uniquely engaging exhaust experience while maintaining OEM-level fitment quality and installation simplicity.
- Valved muffler bypass conversion for Porsche 986 Boxster
- Constructed using OEM Porsche muffler piping and application-specific valves
- Valves closed by default during startup for refined cold-start behavior
- Remote-controlled valve operation included
- Compatible with factory HomeLink integration where equipped
- True OEM-like cruising behavior with valves closed
- Aggressive race-inspired flat-six tone with valves open
- Engineered to minimize cabin drone during normal driving
- Direct bolt-on installation using factory exhaust mounting locations
- Fixture-built and tested for precise fitment integrity
- Designed and manufactured in-house in the USA
- Backed by SOUL Performance Lifetime Warranty for street and track use
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