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      03-12-2008, 06:11 AM   #15
M-bitious
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Drives: BMW F10 M5
Join Date: Feb 2007
Location: Amsterdam

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The difference between sport and race is that the sport one is single muffler that looks like the original, the race has two separate mufflers. I was told that the race system will be modified from what's on the site, as it is just too loud.
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