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      08-28-2012, 01:07 PM   #22
miller
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Drives: X5 M
Join Date: Jul 2012
Location: Pittsburgh, PA

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Quote:
Originally Posted by donho View Post
Let me ask the OP. When you had the stock muffler, driving in M mode/Sport, does it sound louder now??
It is louder than M mode/Sport. Not a huge difference, but noticeable. You will notice more exhaust volume on the lower revs. Up near redline, it sounds just as loud as stock with the valves open, but I do hear more "whoosh" like it's pushing more air.

+1 on Megan making a set of downpipes!!
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