Idling weird
Idling weird I added headers about 1,000 miles ago and just did a lid about 2 weeks ago. It was fine up until the lid. Then after the lid it started idling kinda lumpy, like i have a cam. It isn't tuned yet, but I was just wondering if that was something I should get checked out. The sound is sort of a flapping sound at idle. Its not constant, maybe every other second or so. The car drives fine, so I'm confused as to what the problem is. I thought it was the MAF so I removed that and sprayed MAF cleaner on it and that didn't seem to help out much, it just happens a bit less. I don't think its related but I also added a skip shift on the car the same day. Any ideas? 
Does is sound like something I should take seriously? Hopefully nothing major would come from it. Performance wise its fine, its just that issue at idle that makes me wonder a bit.
