Subs in the trunk?

I'm actually a major producer of electronic music and I just bought a great '88 'lude (w00t)! And subs would be cool, but they go in the trunk?! I mean if they do I'm down with that but, uh, wouldn't your back seat eat up all the sound? I know I sound like a noob but I've actually never been in a car with subs, I've only heard them from a distance. I guess that would be the ideal place, but wouldn't it sound better if it were possible to mount the subs inside the interior? I know that would kill the backseat cruiser but ... ok I'm babbling ...

They go in the trunk??