Yaris Sedan Deadening and Sound system upgrade

[_S7V7N_]

It's your personal preference on caps, some people will say they're worthless other will swear by them. How big of an amp do you plan on running ? If you look around hard enough you can get a Kinetic 600 car battery for under 100 bucks. Deff upgrade your battery cables in the front " big 3 Upgrade " If you're scared to do the whole upgrade, the ground connections aren't hard at all and will make a fairly decent and noticeable impact. You can probably find the pieces of wire you need fairly cheap, they say to go with 0 Gauge, a good quality 4 gauge will get the job done.