i put a orion HCCA 10" in an orion enclosure, boy that speaker pounds the hell out of my head.
great speaker you can get them for about $159 reman' on fleabay, new they are like $650 in a box.
must run like 800 watts rms to the speaker, we're not talking pyramid 800 watts either
my stang had underdrive pullies, and when the bass was pounding, i'd get about 8V till i hit 3000rpm
4 gauge to the battery. if you can afford the rig, check out the speaker.