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    Sport exhaust

    Is there any horse power gain or loss with the factory sport exhaust?
    I would imagine the engine "breathes" better in sport mode (I have the switch, which BTW, is a fantastic device, quiet or loud whenever I want)

    Re: Sport exhaust

    Porsche claims no HP increase or decrease. I have one and I think the car sounds a lot better (like Porsches sounded in the 70-80's). If you add a BMC or K&N air filter you might get a few extra HP.

    BTW... some aftermarket "sport type" exhausts actually lose HP and torque in the low to mid-range.

    Re: Sport exhaust

    Hi Loren,
    I have the sport exhaust too and yes you're right, it does sound fantastic.
    It's not the fist time I hear about installing an air filter, so I'll check on that, and I've heard it saves serviving costs too.
    Take care,
    Fanch.

    Re: Sport exhaust

    Hi

    I also drive the original Porsche Exhaust system but with a little change - I use metal racing kats from cargraphic which should only increase some more horsepower but it also has made the sound to a real racing car sound ! If I would not have the switch to turn it off , it'll make driving open with my cabrio not possible ! With the metal kats I can follow the facelift 996 (my friend owns one) without any problem up to 230 KM/H - than the 20 more HP's from the facelift model accelerates a bit better than my exhaust system changing.So I can say the decreasing from 400 cells in the original Kats to 100 cells sport metall kats could bring up to 10-15 HP's.

    best regards

    Sacha

    Re: Sport exhaust

    There is a slight power increase with the factory sport exhaust. My dealers said around 2-3% increase and lower torque ranges but that porsche does not list any increase in the US because they want to avoid having to test the cars to get the increase approved.

    Re: Sport exhaust

    As far as I know, there is no power increase whatsoever with the Porsche sport exhaust. I took Porsche a lot of development work to avoid losing power, keeping noise levels legal and build cost at a low level.

     
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