So I need help choosing a subwoofer for my manager's car. He has a 2008 Civic 4dr with 2 JL Audio 12W0 in a vented box running off a JL J2.500 amp. He is selling off the subs and box due to the size, it takes half his trunk space (almost no room for golf clubs). He wants to have similar amount of bass in a smaller package and listens from rock to rap music 50/50 SPL SQ. I need some suggestions on what might be good choices to run off 500RMS @ 2ohms (thats what I have to work with). His current