Depends on your goals. On the year of vehicle you have, you can do a perfect false-floor build up if you want. You can run completely hidden, with quality amps, speakers, and of course, subs.AmauryJVL said:
Remember, the right way to do a system is to "full commit", meaning proper deadening / sealing, head unit / processing, front stage planning and installing, proper amp rack, and proper sub stage. The difference between factory sound, and a properly done, properly tuned aftermarket system is night and day.
I'll help if that's the direction you want to take.