Quote:
Originally Posted by sarajbroker
I would appreciate if some 2012 X5 3.5i owners on this thread can start the car run it for a few minutes and the place a hand behind each tailpipe Does approx. equal volume of exhaust emmisions come out from both tailpipes?
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No, you'd need to do a zip tie mod to get even flow, otherwise the valve on the passenger side is closed at idle. That or get the performance exhaust.