The awaited Pro Mod Update is here and it includes 2 new vehicles included in the base game, and 8 DLC vehicles. The update includes new chassis and suspension dynamics that cause cars to slide sideways if too much power is applied. Other fixes include
Increased brake strength for the Top Alcohol Funny Car
Fixed lack of smoke for one of the Extreme Imports
Fixed Smoke of Diesel Engine
Better Handling for the Nitro Bike
Better First Person Camera Effects

An event was held on July 4th to practice with the new Physics.