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      10-04-2020, 01:49 PM   #19
Route 16
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Drives: '10 E90 M3
Join Date: Sep 2011
Location: Dark Side of the Moon

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Quote:
Originally Posted by tsk94 View Post
I have a the BW resonated X-Pipe with OEM axle back and sounds very similar to this at low RPM - nothing wrong imo.
I have rogue engineering test pipes and straight piped the rest ending with an iPE muffler. I know exactly what you're hearing OP but I don't get that at low RPM's I have to be about 4.5 and up and really on it. I thought it was normal, now I know it is, I like it.
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