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      04-19-2014, 12:33 AM   #3
intoflatlines
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Drives: Z4MR, E34, E30
Join Date: Mar 2013
Location: Chicago

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So I tested by removing the resonators/mufflers and it still had drone. It was reduced a little bit. Exterior noise was noticeably louder. It was very raspy under WOT. Not worth it for the minor reduction in drone.

You're saying to get an aftermarket X-pipe? And different mufflers? Any custom options for standalone mufflers or are people just buying the pre-made setups?
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