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Why would the 991 GT3 have a switchable exhaust ?

Old 03-12-2013, 03:56 PM
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Default Why would the 991 GT3 have a switchable exhaust ?

Is that what this is on the pic below ? Is this for those tracks with special noise regs

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Old 03-12-2013, 04:03 PM
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Lets hope it's to pass noise restrictions.
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Old 03-12-2013, 04:38 PM
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Probably yes, tracks like Lime Rock have ridiculous noise restrictions. I have seen guys sent home because their aftermarket exhausts were too loud.
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Old 03-12-2013, 05:48 PM
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Doesn't the 997 GT3 have switchable exhaust too?
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Old 03-12-2013, 05:52 PM
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This is nothing new from the 997 cars.
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