Absolutely impressive how Matteo (CAEdevice) manages to use the central area of the diffuser... you can really see how he managed to reach those levels of aero efficiency that earned him the championship title. That zone is limited by the presence of the transmission, yet it is the one that is giving him the greatest performance. My guess is that he is pumping tons of air from the front wing, and still managing to extract it thanks to vortices that are counter-rotating to those that are closer to the wheels. I always avoided that situation, fearing that those vortices would take away energy from the main ones, for a negative net balance...but apparently I was wrong (as long as this is the right interpretation...).
Machin, it is now up to you to develope your car to that level, and showing everyone the necessary steps