Alright so I figured out what I think I want to do. Here is the setup, please let me know of any concerns.
Front speakers:
JBL P462 - $80
http://www.jbl.com/EN-US/Products/Pa....aspx?PID=P462
Front tweeters:
Polk DB1001 - $60
http://www.amazon.com/Polk-Audio-Pol...9922544&sr=1-1
Under Seats:
Kicker 04SSMB8 - $150
http://www.woofersetc.com/index.cfm?...roduct_id=2591
Sound deadening: (Putting this in doors and in boxes under seats)
Dynamat - $55
http://www.amazon.com/Dynamat-10435-...9921622&sr=1-2
My main concern is the tweeters being 4ohms and the speakers being 2ohms. Would this mean the speakers are going to be louder than the tweeters or will the 4ohm draw on the tweeters make the speakers become 4 ohms? Also will the stock amp power the Kickers to be noticeably better? Total bill is looking to be around $350.