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CHALLENGE - F30 335 - HFC and Catless Downpipes - Now Released! - Pics inside -
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02-01-2013, 09:12 PM
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PeterM
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For the catless downpipe can't we just put a sparkplug non fouler so the O2 is not in-stream of the exhaust and not throw any codes. I used to do this on my vw and worked like a charm.
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