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      11-11-2012, 11:22 AM   #20
MRM55
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Drives: 2008 M3 E92
Join Date: Apr 2012
Location: Bay Area


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if you want louder, you can go with a muffler delete. It is very inexpensive and you save a ton of weight. and it sounds amazing on our cars. Although you won't get the power increase of removed or high flow cats.