E46Fanatics - View Single Post - Affordable Smog Legal CAIs?
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Old 01-21-2009, 10:00 PM   #2
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Join Date: May 2006
Location: Santa Clara, CA
Posts: 41,648
My Ride: 2000 323i.
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ECIS and aFe are carb legal I believe. ECIS being the cheaper one.
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