Thread: N55 AR catless downpipe + Berk Race Black anodized
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      05-29-2012, 03:31 PM   #8
awawrz
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Drives: 2012 135i M Sport
Join Date: Oct 2011
Location: Scottsdale, AZ

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I have AR design hi-flo catted DP on the way. HAve been looking at the full race from Berk. How loud is the axel back compared to stock (have N55 135i)?
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