I have a 1989 lincoln mark vii and my friend recently just sold me a 500 watt audiobahn sub but here's the thing i don't know if i could run the sub right off my preium sound that is already built into the car i know how to do it just not sure if it would work or not and i dont want to blow anything do i need another amp maybe ? im not sure please help me out guys want to get a system in this make it bang