I would have bet anything this was Florida when I clicked....I guess this whole "see how many PA mids I can fit in a door panel" thing is migrating north.
That will easily keep up with 4 18's, so time to step up your bass game. I can dig it as I run the same type of set up. Just be prepared for lots of ringing in your ears and loss of hearing...
I wonder if someone ever got their car stolen filming some **** like this?? Lol. Like you walk half a mile saying "dude, you can still hear this $h!t" and someone just hopped in the car and drove off!!!! That would be EPIC!! Sorry for going off topic.