um these guys here are going to tell you caps are crap.if you upgrade your big 3.you sholdnt need one. that includes upgradeing your grounds and power wire.
Caps are crap and are completely useless. Caps are for noobs who don't know anybetter and think that a capacitor is what they need to supply their amplifiers with "more power" and that the bass will be cleaner and sound better. Caps do not work...read the sticky on upgrading the big three...for the price of a cap you can upgrade to a bigger battery