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      07-06-2018, 08:34 PM   #5
M@USECOP
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Drives: F30 328i Sport Line
Join Date: Jul 2018
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Quote:
Originally Posted by rjdnyy224 View Post
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
Thanks for your help, Iíll look into those.