E46Fanatics - View Single Post - DIY: E46 Header Installation Guide
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Old 08-02-2009, 01:19 AM   #54
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Join Date: Mar 2007
Location: PA
Posts: 4,801
My Ride: 325CIvic
just the sensors as i plan on having a new exhaust done with cats within a week or so. i know i only really need the pre-cat sensors to drive it. either way i'm going to deal with a CEL/SES light
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