i can actually say i have too much bass now from my recent setup.
it is an memphis mono block 1100rms amp hooked to a memphis MOJO 15" in a 4 cubic foot ported box. takes up the whole trunk but it sounds awesome untill your ears start to hurt.

2000 contour V6 ATX BAT suspension kit, k&n filter, SVT TB, SVT UIM, SVT LIM, MSDS headers, MSDS Y-pipe, SVT dual exhaust, Custum burned ADC chip, 7000k HID's, 200 amp HO alt, custom gauges, and 17" rims