I have a 2000 hatch and im saving b/c im going to invest in the best of the best the JL W7 subs. All u need is 1!! I saw the Cribs edition on MTV with G-Unit they had Hummers and Escalades with only 1 10" or 12" sub and that shit knocks. They are rather expensive but the sound, clarity, bass, and loudness cannot be surpassed. Besides takes up less space because u need only one. The boxes that JL designs for the W series subs do not come in dual formats only single enclosures. So they recommend using only one. Besides that take a hell of a lot of power to run them but either way u won't be dissapointed. I Tell u that. 1 10" will sound louder and clearer then both ur 12" subs put together. So go to a JL audio dealer and ask them about the W7's