What do you call the sytems that you install for in your car for ipod integration?

[ecfan]

whenever I search all i get is FM transmitters.

[bobb-mini]

FM transmitters.
Tape (casette) adapters.
FM Modulators.
Direct AUX hookup (u see an AUX jack).
Adapters to hook up to CD changer plug.
Special Head Units for iPod ($$$).

What's your pleasure?