What do you guys think about these subs and amp! I am going to run 2 12" Kicker CompVR's and a 1200 watt Visonik amplifier! I am going to try and get a ported box! what should I port it 2 for High SPL! I am putting them inot a S10 Extreme! What do you think! All of my High's are Pioneer and so is my HU!