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      04-26-2010, 05:42 AM   #27
boother
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Drives: 2010 jerez black m3 coupe
Join Date: Mar 2010
Location: huntington beach

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what would be louder just the race muffler... or.... the full sport system with Gintani HFC x-pipe?

I ordered the sport with the HFC xpipe. Just trying to get an idea of where my car will stand on the sound totum pole.