Looking to upgrade my 2013 Base GT convertible to a better radio and maybe navigation system. After reading about how NOT easy it is to install a OEM navigation unit, I have decided to go the aftermarket route. Looks like this Metra 99-5839CH is the replacement for the 99-5826CH. States that it can hook up a backup cam directly to the screen that is built into the fitkit that operates the AC controls etc. Would like to hear back to see what experience others have had since the cheapest I...

Metra 99-5839CH has anyone used?