did you do a search here??

this topic will probably help you out alot...post #5 & 6 will help you out

http://www.canadiancaraudio.com/online/car-audio-technical-discussions/22372-capacitors.html?highlight=Capacitor

and IMO you dont need a Cap, just do the Big 3, better battery or/and add another battery, and a HO alt ......then id go for a cap just for the look haha

__________________