4096x2048 diffuse and normal map, 2048x1024 mask. Mesh is now double sided.

2048x1024 diffuse and normal map, 1024x512 mask. Mesh is now double sided.

Install the 4K OR 2K version then overwrite with this, overwrites the mesh and adds a 4K dirt diffuse with alpha to your effects folder. Mesh is now double sided.