I had two Pioneer Championship PRO (TS-W3003D4) 12" subs (600watt RMS each) on a Hifonics Zeus 1200 watt amp wired at 1 Ohm in my 02 Tahoe. It was pretty powerful, but I still would like a little more punch in the chest, so I'm now thinking about maybe going with 3 Kicker Comp-VRs and a better amp, OR maybe if there are more powerful 12"s with the right amp combination. I'm at a point where I'm ready to take this seriously now. What brands or whatnot would I need?