All bonus cars available in car lot and featuring customizable performance parts New presets added in game files and some of them are available to be played from Quick Race Unlocks which were previously impossible are now possible Restored cut events, such as the Platinum Condos You can check a more detailed list of changes in the file 'Readme.txt', however a very short changelog can include: It aims to improve the gameplay experience in every way possible without changing the game too much, basically by adding new features and restoring cut/unused features. Improvement Mod is the successor to the previous 'Tuning Mod'. Improvement Mod addon cars vehicles cut content beta restored races tracks events custom script