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Thread: question PSE

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    Nava405's Avatar
    Nava405 is offline Porsche Chatter
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    question PSE

    is PSE actully bigger piping than the regular exhaust or only with control valve to make it quiter when not flooring it?

    when the valve is close, is it as loud as the regular ones? ( which means the regular exhaust stay in more free flow condition than the sports? )


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    Gert is offline Bronze Sponsor
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    Re: question PSE

    When the valve is closed, the PSE sounds just like a stock exhaust.
    All diameters of piping are the same.

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    Dunebasher's Avatar
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    Re: question PSE

    The PSE simply has some small bypass pipes in the rear boxes and when the valves are closed the systems is identical in operation and sound to the standard system.

    Once the valves open a (very) small amount of exhaust gas is allowed to bypass part of the muffler system, which provides the slightly louder exhaust note.

    Porsche state that there is no performance increase. Looking closely at the construction one could conclude that there maybe be a tiny performance gain, but there is no evidence to support that and would most likely not be something that would show up on a dyno due to the variations on seperate runs anyway.

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  1. 07-03-2010, 06:26 AM

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