Thread: Who wants some downpipes?? ;)
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      10-31-2011, 03:22 PM   #10
az34
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Drives: 2009 z4sdrive35i 2008 x5 3.0i
Join Date: May 2011
Location: montréal

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Originally Posted by ar design View Post
Yes, replaces the primary cats.
THANK YOU WOULD BE A NICE PERFORMANCE UPGRADE FOR MY CAR. WHAT ABOUT THE OXYGEN SENSORS?
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