I read that cobb will release a map for the ms cai, since there were so many potential customers worried about it. Since when do people with the ms cai throw cels. I haven't heard of a single CEL caused by the ms intake
http://www.mazdas247.com/forum/showthread.php?p=3102215&highlight=mazdaspeed+CAI+CEL#post3102215
There are more threads as I took months to decide and read every tidbit, I just don't have the wherewithal to sort through the search now, so this is the first one I came aross.