Thread: 440i Mid Pipe/Reso Delete/Muffler question
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      11-22-2016, 07:07 PM   #3
daveyfx
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Drives: 2016 340i xDrive
Join Date: Jun 2016
Location: The Dena

iTrader: (0)
So which is more quiet?

* Axle-back muffler with stock pipes
* Stock muffler with straight mid-pipes
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