Have you considered Image Dynamics IDQ subs. They are competition level but have excellent sq/spl. They play LOW too, below what you can hear low. These subs are designed for small enclosures and are cheap. You could find some on ebay, new for like 175


Sony CDX-M750 Cd Player,
Clarion Ungo RS151,
Liteglow Neons,
9006's Low Beams,
885 Xenon Fogs,
Fog Light Mod