I assume you mean aftermarket. There is a sticky at the top of the interior mods forum that has a site with audio video equipment. You should be able to find what you want there. Also do a search for nav or navigation, I think there are several here that have put some in.deemo said:i just get my 2005 armada LE, what i need is to install nav and dvd system. can any one please tell me where can i find it.