If the valve cover sticker says "DC" or "DOC", then you NEED a catalytic converter.
Since the sticker is gone, you'll have to get a build sheet from Ford.
If your inspection guy doesn't like your truck having a chip on it, you'll need a reflash. Bill WILL NOT be available for the last week of the month (as per the announcement at the top of the page) and unless you want to pay for overnight shipping both ways (likely about $80 each way), it won't be done by the end of the month.
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