300 mi and liking 'em alot less buffetting on legs and a good airflow to motor,felt around while moving and heat was being pulled away fine. Definately warmer on lower legs and feet. Pics:

 

How much airflow comes up around the motor on those? Can you feel it on your thighs and legs?

 

You'll still feel the cool air flow between the dawgs and the windscreen but it seems to pick up some warmth mixing with the air that flows between the Dawgs onto the motor and past your legs.
I can feel the increased wind resistance from the Dawgs but not bad. Checking MPG on this tank with them on.

 

i feel more heat on my thighs while moving, it seems to be directed up, to be logic says that it directs the wind / air and forces it onto the engine block rather thatn a "wash" of air