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      07-10-2017, 03:42 PM   #3
ndinh
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Drives: 640i GC, X5
Join Date: Jul 2015
Location: Los Angeles

iTrader: (2)

You'll be fine with either M5 or M6 mufflers. They're the exact same mufflers but M5 ones will need the hangers moved but that's a simple process and both will require an adapter for the pipe diameter, as mentioned above by SixPost. Vacuum lines are compatible so you'll have the option of using an exhaustmeister if you want. The OE tips are removable so you can use 102mm tips of your choice. I believe there's a guy selling M5 mufflers for $450 right now. So what happened with the FI ones on order?
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