Yeah but they are over on cumminsforum.com the V1 air dam pics need to be moved over to smugmug from photosuckit.com, it is a narrower version of the one pic'd below.
DIY Air Dam V2_0 - Dodge Cummins Diesel Forum
and FWIW, mpg data over the last 5 months can be found here
http://www.cumminsforum.com/forum/3r...l#post27599266
http://ecomodder.com/forum/showthrea...dam-24311.html