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Old 11-26-2008, 10:18 AM   #7 (permalink)
dichotomous
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Join Date: Nov 2008
Location: vermont
Posts: 142

CivySi - '03 honda civic SI
90 day: 31.99 mpg (US)
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with the stock headers, midpipe and cat, your oversized exhaust will ONLY sound bad, it wont do a thing to performance at all.
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