Toyota 4 Runner Stereo Upgrade . In-dash tech gets an upgrade as well, with an Entune infotainment system that is finally compatible with Apple CarPlay and Android Auto. Double DIN Stereo Dash Kit by Scosche®. 2017 Toyota 4Runner Stereo System Upgrade San Antonio TX ... (Mamie Brady) So it stands to reason that somewhere down the line, you may want to upgrade your stock stereo with something a little more exciting. For many people, the most important part of their vehicle is the stereo system. I haven't upgraded a stereo in years so I don't really know cost. I use my rear cargo area, I hunt, have dogs, etc. Now I just have to figure out how you moved the pin. Radio Upgrades... Let see them. - Toyota 4Runner Forum ... Fits TOYOTA 4 RUNNER 2003-2009 Factory Speaker Upgrade ... Radio Upgrades... Let see them. - Page 24 - Toyota 4