I have a 2009 Ford Focus (without Ford SYNC & steering wheel controls) and this is the system I'm looking to put in. I've got all the wires and what not also, but I want everyone's opinion on this build. It's my first one.
Pioneer DEH-6400BT ($140)
PAC Ford Radio Replacement Interface ($65)
Kenwood X500-1 ($150)
Kicker 07CVR154 w/ 1H15 Gray Sonic Sub Box ($140 & $45)
Pioneer TS-A1304C (Rear Speakers) ($60)
Pioneer TS-A6874R (Front Speakers) ($50)