Subwoofers

My father and I own a 1994 Z28 and I was wondering about custom fittings for subs. I don't want to overload the car with too much noise, just enough to have it loud and clean. I was looking at the back panel just behind the rear seat's headrests. Is there any possible way to fit in two 12" or two 10" speakers back there so that the top of the speaker is level with the panel?? If anyone has done this, please send me a pic of it.

Thank you

Take a look at what Steve has to offer at SubThump (http://www.subthump.com). He has a good selection of subwoofer enclosures designed especially for our cars. You can buy one of his or try to make one of your own.