me & my homie did this build for a local high school kid, he was very satisfied w/how it came out, SKAR Audio LP-550.1 on a SKAR VVX8 Enclosure is 0.87 Cubes Tuned To 32Hz, in a Mazda Regular Cab B2200
http://www.youtube.com/watch?v=oWfeqBaJuhQ&feature=youtu.be