Dye DM13 would finally remove the macorline and design a hoseless operation. We can clearly see that the DM13 will have the macroline.
From this small picture, you can see that Dye has disguised the bottom of the regulator and the grip. My guess is that these are two of the major changes on the Dye DM13. Check back to this post for the most updated info on the Dye Dm13.