FS: Custom X-Pipe. Socal, Fully bolt on and CHEAP!
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01-06-2011, 11:27 AM
Drives: 2010 M3
Join Date: May 2010
I and others have made 400whp+ with factory pipe modded like this (or just primaries removed)
it makes great power and the factory resonators work. this price is a STEAL.
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