This is my setup for my '98 contour SVT by this summer: -Precision Power PCX-5800 5-channel 4x50watts for infinity kappa 5x7's and 400 watts at 2 ohm to the audiomobile 12" sub in a custom sealed enclosure.
1998 E0 SVT KKM Sony 5 channel 300X1 watts@ 2ohm audiomobile 12" sub 75X4 watts infinity kappa c.m.m.d.