To install, move the .upl to the systems folder in your ut2004 directory. Then move the .utx files to your textures folder. The bios are optional. To install them, copy all the text in the DualBios file. In the UT2004/system folder, open a file called Xplayers.ini. Add this at the bottom of the file.

NewDua1ity="Name:  Dua1ity|Age:   19|Race:  Genetically Enhanced Human||Data:|Dua1ity is the product of an experiment. DNA from many Tournament warriors was combined to create the perfect fighter. After serving as special forces in the military, Dua1ity has returned to the arena tougher than ever before. God help whoever stands in his way.||"


_Dua1ity