Quote:
Originally Posted by Adam@Riss Racing
Although our downpipes may pass emissions, they are for "race use" only. The N54 motor runs extremely clean, so we aren't too worried they won't pass the sniffer.
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Not very knowledgeable on this. Just wondering if it is illegal or just not allowed by warranty. I mean if you pass emissions not like they are going to go under hood and verify its OEM pipes. I doubt they even know what stockers look like.