if you are planing on geting a bigger ampIf you have the room go woth 3.59 cf. per sub and 33sqin at 14.5 long. i got this from kicker and it is LOUD as fu--,But my amp is putting out 1500w
what Kinda car? Ported is usually the way to go but I like the SQ the a sealed box brings. I got 2 in a seald box @ 1.6 cu ft. per chamber with 750 rms to each sub and it sounds wonderful. Very agressive on the bass but then again I dont have my gains turned up much.