E46Fanatics - View Single Post - ***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***
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Old 11-20-2012, 08:17 PM   #165
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Originally Posted by Snapasaurus View Post
So if I was to run aftermarket headers, would I run into emissions problems with the second set of cats?
I don't know how Washington's laws work but down here I'd probably fail visual inspection.
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