Dont go true dual on a V6 man, just my
go with a good catback system. You can still get the SLP system which IMO sounds pretty good
http://www.lmperformance.com/5849/12.html
or Borla sounds pretty decent
http://www.lmperformance.com/7035/12.html
I dont know what kind of "loud" you are going for. I like to have more of a "growl" then to be loud. If your going for loud, then just Cam it and get an electric cutout