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      12-12-2011, 02:57 PM   #2
smmmurf
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Drives: E92 M3 DCT 353k+ miles
Join Date: Feb 2008
Location: Half Moon Bay, CA

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Modded OEM, weld on whatever tips you want. Sounds really, really good- better than Eisenmann, Remus, and Gintani IMO. The others I have not heard.

There are 3 ways to do it, from quietest to loudest:

-Replace 1 set (large) perforated pipes with straight pipe
-Replace both sets of perforated pipes with straight pipes (both sets)
-Cut out internal pipes, eliminating the cross within the OEM muffler and have it go out the side

Mine is done the first way and I love it, no drone.
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