Firstly, amazing textures and the sounds are spot on, its a pleasure to look at and I can definitely see a lot of time has been spent on the two cars. However something is VERY wrong with the dampers and/or tyres. Any minor bumps in the road send the front end on both cars bouncing like a lowrider, and the tyres have an extremely low level of grip even for a street tyre.
Happy to accept if there is something I have gotten wrong but I just downloaded and installed as normal. Nothing changed in settings etc.