i drive a black 95 integra, ive not made it to any roanoke shows since there on saturdays and i work saturdays, been to all the statesville, nc shows tho, yea my amp will operate at up to 18 volts a soundstream xxx 10000d, the alternator im getting is adjustable just dont know how high it will charge, think the guy im getting it from just had it charging at 16.5 i belive for a 12 volt system, but pretty sure i can get 18-19 volts out im hoping.