I am getting rdy to replace whole system in my 2008 z....i have factory nav and bose system.......im wondering if i should keep the factory nav along with a double din bluetooth head unit or get a double din nav unit and make the factory nav system a back up camera or something? Any ideas? I dont know if the factory nav would work with another system put in as well as far as letting the sound go down when giving me commands and general sound as well............just need some input as to what to do,,,,,i really wanna utilize having two screens just not sure what direction to go in? Any ideas would be great thank you,,,feel free to call if youve done something with your factory nav and installed a double din as well or were able to keep the factory nav working along with a double din,,,,thanks 7175043577 brian call or just leave replies ty PICTURES WOULD BE GREAT TO AS OF WHAT U HAVE DONE,,,,,,THANKS FOR REPLYING.....

 

get a double din unit with built in NAV and ditch the OEM. Free the cubby.