Thanks guys, That is actually exactly what I was thinking about doing, putting the DB651-s in the front because they would be easy to drop in and the DB651 in the back since they will fit without modification and are a little cheaper than the S-series.

I just got my 2003 awd vibe w/6-cd changer but w/o m&t a few weeks ago and have been looking to this site for info about it since then, but this is my first post.My car audio is important to me, so it is the first thing that I want to upgrade in my Vibe. I've been reading about how some speakers...