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Muffler Modification
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11-09-2011, 09:53 AM
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The Radium King
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Join Date: Apr 2010
Location: Canada
Posts: 3,149
in boxster land it's known as the 'crios mod' and lots of info if you google. the only way you're going to get 35 hp out of it is if you add an electric supercharger, however.
The Radium King
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