Features (tested in-game):
-0.30 coefficient of drag
-0-60 mph in 3 seconds
-299 kph Top Speed (Fully Upgraded)
-Real weight

Installation:
1. Open OpenIV
2. Go to update/update.rpf/common/data
3. Extract handling.meta from this zip to a folder and make sure to have a backup.
4. Make sure to enable edit mode.
5. Right click on handling.meta and replace it with my handling.
6. Enjoy! :D