When we start the game, our eardrums are destroyed by a flatout guy.
Protect our eardrums by doing the following :)

In this way, you edit the game file!
Be sure to save a backup when editing.
Edit at your own risk.

access game files
(Properties > LOCAL FILES tab > click the "BROWSE LOCAL FILES..." button)

More detailed How To do
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=760447682

Find a Splash_KT.mp4
The video is located in the WIN32>Movies folder.
If you can find it, rename Splash_KT.mp4.
ex) BeQuiet.mp4

Launch the game and check it.

Enjoy your Rally!