I currently have two Kenwood KFC-W3012 12" subs in a dual chamber ported box tuned down to 33 hz. They bump pretty good for only being 400 RMS, but not good enough. I'm actually pushing these things really close to the peak (about 800 rms to them wired in parallel for 2 ohms). I've been looking for some 1000-2000 watts RMS 12's to replace them, but I'm not sure which company has good quality for not so much money. I'd like to only spend up to 500 on a pair, but if I need to spend a little more for good quality I might. I have a 98 Taurus and it has about 35x30 inches of trunk space. Anybody have any suggestions of what I should drop in there?