I dont think so. I have D4WCE and my buddy has a B44. The bodies seem to be completely different. I think we are going to run them tomorrow so I will try to swap my shell for his and see what happns and let you know.
Scott is absolutely correct. I swapped bodies with my buddy yesterday. To make the B4 bdy work on the D4 you only need trim the front end about 5mm shorter and relocate the body post hole approximately the same distance to the rear, otherwise its a perfect fit. I actually like how the B4 body wraps around in the back of the car to help keep more dust and dirt out.