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      10-29-2009, 09:32 PM   #20
Skywagon
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Drives: X6 3.5
Join Date: Jun 2009
Location: The Old South

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OK, for what it's worth. Supersprint system installed. The best comparison I can give is that it sounds much like a BMW Performance exhaust, perhaps slightly more quiet. It is a deep, muted quality sound. I've only driven the car 12 miles so still can't pin down how it sounds. At least now I can hear the exhaust, up to about 30 mph. With the stock I couldn't hear a thing.
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