01-08-2020, 03:52 AM
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#3
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98 Arctic silver 986
Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,452
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Quote:
Originally Posted by 99Roadster
So Tommy what exactly did you do to the stock muffler ?.....I have a 99 base with the stock muffler and would like to hear what you did.
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This is what you need Internal exhaust mod
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