Valve controller kit allows you to force the valves open or closed at all times to prevent random valve opening and closing. Lock valves open at all times for an incredible sound controlled by your right foot!
+ Fits all Porsche 991.1 / 991.2 GT3 – not direct fitment – requires wiring and sourcing vacuum
+ Allows manual control over valves in side mufflers
+ All Soul Performance Products components are backed by our Lifetime Warranty for both street and track use