ok i know you need a descent amp preferably 2,000 + watts since the fi btl can handle 2,000 rms. But Like i said im new. how do i know if i need a new alternator or new battery and how do i find the right one. I place my car make, model and year so someone with education and know how could easily tell me a nice setup BEST AMP? BEST ALTERNATOR? BEST BATTERY? for 2002 taurus ses