Ford Mustang DTM

I saw this in the MOTY entries section. Is this a resin or transkit? where can I find this?

Sportracer02 did an awesome WIP on the DTM Mustang, it's a transkit to work with the Tamiya Alfa Romeo 155 kit.

http://www.automotiveforums.com/vbulletin/showthread.php?t=960446

awesome, thanks.