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Old 01-26-2011, 06:02 PM   #5
Johnny Danger
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Join Date: Nov 2008
Location: Massachusetts
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Virtually every aspect of the oem exhaust system is in some way restrictive . When you refer to the term "tuned", I don't think Porsche had performance in mind as much as they did keeping things OBDII compliant and Uncle Sugar off their back as far as emissions were concerned .
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