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      10-20-2014, 05:02 PM   #616
PrematureApex
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Drives: N55 X1, N54 135, s54 m3
Join Date: Jan 2008
Location: Philadelphia

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Do we know much about these exhausts?

Are the midpipes the same as the 135?

I'd love to be able to use the resonator deleting Y-pipe from my 1er on the X1.
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