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      05-03-2017, 04:07 PM   #26
ndinh
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Drives: 640i GC, X5
Join Date: Jul 2015
Location: Los Angeles

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Quote:
Originally Posted by MSUGOGRN View Post
Just muffler delete. I left in the resonators. If this doesn't work with coding (since I can't find the damn module to simply disconnect it!), I did find a very interesting possible solution. See posts 19 and 21 in the link below.

http://f10.m5post.com/forums/showthr...&highlight=asd
It's definitely an option. I mentioned that initially, they're called 'J' pipes or Helmhotz pipes. It basically changes or cancels the low frequencies caused by drone. There are instances where they don't work though so make sure your muffler shop knows what they're doing.
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