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Spader
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Posts posted by Spader
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If it is always quiet both sides then the vacuum valves are working and chances are a previous owner revered the valve at the solenoid to keep it quiet or made some other mod.
If something had failed it would be loud all the time as that is the default on the sports exhaust.
All sport exhaust aren't set this way ... mine is quiet when desactivated and loud once button pushed and vaccum ON ;)
Sport Exhaust Question
in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
Posted · Edited by Spader
I'm not talking about PSE but I have a SCART on mine (I just fitted it last week end) and I can assure you that :
- out of the car valve is closed
- in the car without any electrical wire plugged : valve is closed
- in the car with electrical plugged in and vaccum activated : valve is open
I has been bought brand new and this is the way SCART designed their system. Pretty clever as if the valves are encountering an issue => you ride in quiet mode ;)
For PSE (and most of the aftermarket sport exhaust) you are right valve are open when not activated ;)