Finally after about 6 months of having my subs and amps sitting in my garage i ordered my enclosure. it's from ebay with the subs firing forward.
eBay Motors: 05+ Chrysler 300 300c Sub Subwoofer Box Enclosure 2x12" (item 250222408232 end time Mar-14-08 16
26 PDT)
should be here sometime this week. i already have my d3 installed w/ all the rca's and amp wires.
i'll post some pics when it comes in and of the install!!