I have one Rockford stage 2, 10", 400 watt max sub, single voice coil with a Q logic truck box(thinner and wider than trunk box). used 2 months and they are just sitting in my closet now, retail is around $180 with box make an offer.
http://www.we-todd-did-racing.com/wetoddimage.wtdr/wODM5NzM0NnM0MTNkZmQzMXk1NDE%3D.jpg