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      07-15-2010, 10:59 AM   #10
david @ eas
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Drives: BMW
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Quote:
Originally Posted by Nucking Futs! View Post
How much louder is the U.S. spec s/s version? How loud compared to other mufflers?

- Jimmy
U.S. Spec should be approximately 10dB louder than JDM spec, but this is just off what I have experienced, I don't think it's been truly tested in terms of the loudness difference.