I have a 93 explorer and im ordering 572.3cf infinity kappa 100watt rms and 300 peak with outboard crossovers, should i use my factory amp or my 45x4 clarion face? should i get jl w6 or infinity kappa perfect 12's? And what kind of amp? Is lanzar or power acoustic good amps?should i dyanamat my doors? I like bandpass boxes but i heard both subs are made for sealed.