Lots of little changes to the cars this year. Renault is running a front exit exhaust, Mclaren has funky L shaped sidepods, and williams is rumored to have such a small transmisison and kers setup that the back of the car flattens out to the floor before the wing which the suspension is more or less mounted to.
Love all the new side pods, front flat noses are ugly (but I’m not an aerodynamicist), front exhaust is good old fashion clever F1 stuff, no Kubica no care. See everyone in March.