Hi
I speak with the guy at events but exact specs I don't know. The cossie is competing in Group H, ex Gp A shell. Bonnet, doors, wings, tailgate and windows are kevlar or plastic, no dash fitted, Stack display etc. Front window is glass. 3.9 rear diff, thats all I know about running gear, could be FFD box? KW suspension? Last year I saw Motec management.
As its competition there will always be some details kept secret.
There's not a huge amount of info on his web site, and yes its in German, I also have to learn.

http://www.unfallservice-hoffmann.de/rennen.htm