I want some beat in my car!im a 16 year old girl and i dont want it to be really disturbing loud!?

i have a 1997 maxiam. can u please give me all the details. I aslo need another car alarm and a cd changer. what stores would have reasonable prices and quality products? i dont want to spend more than $500 altoger. i know i have to buy an amplifier! please give me as much advice as u can?