Xtreme Aerodynamics recently announced their new Mach1 body for 1/10 EP Touring Cars and it looks great. From what they are saying, it looks like they have worked hard to increase downforce while simultaneously reducing drag. This video by Bruno Coelho explains it well....
If you are local (Vancouver, BC Canada) and would like to buy an Xtreme Aerodynamics body shell, please let us know, we may have some for sale
Source: Xtreme Aerodynamics