Okay, so I've searched and searched, and maybe the 08s are rare or unique or something, but I can't seem to find an answer to this question anywhere. I recently installed an open cone "cold air intake" from eBay on my 08 Grand Prix, 3800 Series III, N/A. Works great, sounds great, slightly noticeable performance gain, etc. No issues with the intake itself, what's getting me is the code that keeps popping up for "secondary air injection upstream incorrect flow" that's only been showing up since I did the install. There was an air tube going to my stock air box, o trimmed it and stuck a filter on it because I didn't want crap in my engine, but looking at other's intakes, it seems like the pre-08 models didn't have this smog pump. My RPO sheet does have my car listed as both Cali and 49 state emissions certified...dunno if that has anything to do with it, but I've never seen a car set up for both before this one. Pictures for reference.
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