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      01-12-2012, 09:46 AM   #44
IND-Distribution
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Drives: G82 M4 / G87 M2
Join Date: Oct 2006
Location: Chicago

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The OE exhaust system has the same decibel levels as the Eisenmann Sport system. ECE homologation requires that any homologated and approved exhaust system have the same decibel output as the factory exhaust system. Eisenmann's Sport system modifies the sound and tone of the car drastically, but retains the factory volume output making it completely road legal in the US, as well.
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