[sbagdon]

Originally Posted by rustydogy

I just looked some info on this you take a look http://catalog.walkerexhaust.com/cat...partKey=781009 you may have to copy and past link but you will see by looking up each part # click on where it( says site map ) follow down left side of page and enter part #

That url or part number doesn't take me anywhere (tried cut-and-paste).

I looked up that vehicle, directly, and the cat comes up as 52284, with the note "As of January 1, 2009, converters in this catalog can not be sold or installed in California.".

Ok, did the obvious... called Walker technical support. They state that the 49-state is physically compatible, the 50-state is stamped to warrant that it has gone through the CARB certification process. So a CA car in MI can physically use the 49-state unit. I'll go with that's an authoritative answer. ; )