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      07-06-2018, 07:17 PM   #4
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Drives: 2013 335i 6MT
Join Date: Jun 2017
Location: New Jersey

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Originally Posted by M@USECOP View Post
Don’t downpipes make your car code? And do you have a recommendation for a catted DP? Thanks
A catless downpipe will cause a CEL. Boatloads of threads on this and how to stop the CELs. Whether it be an O2 spacer or flash tune to suppress/clear it, there are plenty of ways around it. As for a catted downpipe (will still cause a CEL), Wagner and EvolutionRacewerks are the most reputable brands that offer catted downpipes for the N20. Don't have any firsthand experience with either, but that is what I'd recommend based off of what I've seen
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