Okay i know nothing about systens. At all. I want to put one into my car though. Heres the issue, I am on a budget. Im only 16 and cant really afford much. Im going to start saving a lot of my money though and use less gas ;p. Anyway I was wondering if anyone could maybe tell me whats good? Maybe put give me ideas on everything i need. Im thinking of a budget of 500 dollars or so.