Ok so i have a 2002 chrysler 300m. i want to get one 15" BL but i dont kno what kinda electrical upgrades i will need. i dont have alotta money to be jus spending so if i dont need somethin i rather not get it. so what do i need to get and i want to get a MB Quart DSC 2000.1D. i need to kno how much each will cost so if u cud help me with all this, itd be great. Thank u so much.