big 3 on 2003 subaru impreza

ok, i read through the sticky and this is what i found on subarus (pasted after my questions). I plan on upgrading with 1/0 kicker wire. car is a 2003 impreza 2.5RS, running kicker 1000.1 and small (250 watt i think) Rockford 4ch.

The questions i had are:

power wire goes from alt. to fuse box to battery. answer seams to be add a length from the alt. to battery pos. will that affect the flow going to the fuse box at all? since it will flow down the new wire easier?

how do you connect to the alt.? it seams like a plug and no place to throw on a ring terminal (working from memory so call me dumb if it applies)

to fuse or not to fuse? looks like most say yes, just making positive.

that should be all my questions, oh also anyone know some cheap battery terminals with 2 1/0 inputs?

Thanks,

Jonathan

1) Yes, add a cable.  No, it will not affect the power drawn by your car.