Dayton Titanic III sub kit

[Thepistolpete]

Anyone here tried the Dayton Titanic III sub kit? I have the 10" and it rocks. Thinking of getting the 15" and would like to hear from people who have it. Here is a link to check it out if you have not heard of it.
http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Partnumber=300-764