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Old 03-10-2013, 05:54 PM   #8
BC_ZX3
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Join Date: Jul 2007
Fan#: 48751
Location: Vancouver, BC, Canada
What I Drive: 2001 Red ZX3 Turbo

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That looks like an after market rear O2 MIL eliminator to me. Similar to:
http://www.pumaspeed.co.uk/product-B...ta-Puma_71.jsp
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