Thread: PYSpeed.com | Agency Power High Flow Race Midpipe BMW 135I *On Sale Now*
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      03-12-2010, 11:46 PM   #11
BBK
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Drives: A boring one...
Join Date: Oct 2008
Location: Australia

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2009 BMW 135i  [5.76]
Any idea on power gains? Do you have a video of the difference in sound?
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