Audio Systems: subwoofer/amp, ford f 350, maximum power transfer

Question
ok, I have a 1999 ford f-350 crew cab and I am installing an under-the-seat subwoofer enclosure. The box contains two individual 0.7 cubic foot enclosures.
some information on  the box:
Dimensions:
Width 55-1/4"
Front Height 3-1/4"
Rear Height 6-1/74"
Depth 16-1/2"
Subwoofer mounting depth 7.2"
Constructed of MDF

Im looking for a subwoofer that will awe in sound quality and pack a good punch. Price is not neccessarily a huge factor but will be considered. Also, what Amplifier best suits the subwoofer and application? Im trying to teach myself the vast amount of phrases, numbers, and calculations but it can be quite overwhelming! There are NO specialists nearby so im kind of stuck. Im just wanting a good subwoofer setup without all the guesswork! Thanks in advance!

Answer
Unfortunately, there is a good deal of guess work.  Auto sound is part science and part art (or guessing) because it is not possible to predict accurately how a system will sound.

But, you can do this:  Go to the review pages of the many products and choose a few that make sense to you.  Narrow down your choices and make the most intelligent choice you can.  You will need to spend a few hours on the Internet.  There are many good 10" and 12" subs that will work well in the enclosure size you are using.  The speakers will be more important than the amplifier as a good amp is nearly perfect in sound quality when compared with speaker acoustic output sound quality.  

But, in the end it is very subjective as you only have to please yourself.  The overall result will be quite good if you just do your homework.

PS: I don't make equipment recommendations simply because of the very subjective nature of sound reproduction.

PPS:  The sensitivity and impedance are the most critical and important technical specifications in selecting a sub.  The impedance is important because it will must match up with the output of the amplifier to get the maximum power transfer from amp into the speaker.  The sensitivity is important in order to get the greatest loudness from the speaker.  If the sensitivity of the subwoofer is less than say 89db it means you need big amplifiers to drive it.  Just remember 3db is a 2/1 power ratio.  A speaker that is 92db sensitivity, for example, takes only half the power of one that is 89db to produce the same loudness or acoustic output.