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      09-05-2012, 12:45 PM   #30
m3an
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Quote:
Originally Posted by MikeE92M3 View Post
I'm going with some people's advice and adding helmholtz chambers, like this, which has a very similar look to the magnaflow mufflers presently:

just keep in mind that there is a formula to determine the correct needed length based on volume to eliminate the drone. That AA setup should be a good baseline on where to start
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