-IVA-W505 headunit.
-Fostgate 6X8's all the way around with a 4-channel Fostgate on them.
-Fostgate 2500 pushing a custom Cadence Beastmaster 12 in the trunk.
Good clean sound but I can still flex a little bit when I want to.
http://www.youtube.com/watch?v=6dTpPE45TVo
Not going to say that components are a must but they are the best.