recommendations?

I am in a 1997 toyota t100 and i need some 2nd battery recommendations. I have a avatar stu-15 3000w rms. I have a tharamps smart 3 im running stalk alt with a big 3. i am running all 1/0 gauge power and ground wire as well. i prolly left lots of things out let me know if you have any questions...

Hello, I'm fairly new to Car audio and at the moment I'm rocking just an old Jl 12 inch. But its just not doing enough for me at the moment. Does anyone have any recommendations for a sub with good SPL or a good mix of both? I have been looking at FU audio subs but they seem a bit sketchy for...