Conclusion:
- The factory valve system in the 992 GT3 is overly restrictive, with the valves not fully opening until around 5k rpm, even with Porsche Sports Exhaust (PSE) mode activated.
- The most effective mod to improve sound is removing or overriding the factory valves.
- SOUL Valve Delete Modules provide a simple and efficient solution to remove the valves without triggering a check engine light or interfering with normal ECU functions.
- The 992 GT3's Porsche Sports Exhaust (PSE) mode doesn’t allow full valve opening, even when activated.
- The factory PSE programming is becoming increasingly invasive, preventing manual control of valve operation.
- In previous Porsche models, pushing the PSE button would override the valve control, but the valves would only open at higher rpm ranges.
- The 992 GT3 now features electronically actuated valves (not vacuum-based), making it harder to force the valves open.
- With PSE mode on, the valves only start to open gradually around 4k rpm under heavy throttle, fully opening at approximately 5k rpm.
- SOUL Valve Delete Modules mimic the factory valve signals to make the ECU believe the valves are still operating normally.
- This allows for the removal of the factory valves without causing any issues or triggering a check engine light.
- Perfect for race setups that don’t use valves, or for forcing the factory exhaust valves into a fully open mode.
- Compatible with all Porsche 992 GT3 / GT3 RS models (2022+).
- Enables removal of factory valves without a check engine light.
- Quick and easy installation, fully reversible.
- Backed by SOUL Performance Products’ Lifetime Warranty for both street and track use.
- Designed and built in-house at SOUL’s Willow Grove, PA facility.
