Get the Power Acoustik FUHBR SUB 12"!!!!! that sub is amazing! and it only cost like 130-150 at best buy. And that amp is great, if you want cheap, get a profile amp, they are cheap but have huge power ratings.
TPC
Northville, MI
2002 - Pitch Black Focus SVT (Red Trim)
Steeda Short Ram Intake
5% Tint All Around
98 Contour SE Zetec ATX - *RIP* @ Charity Motors