This patch modifies the sound of the stock and open pipes.
scania.r , scania.r_2016 , scania.s_2016 , scania.s , scania.rjl ,scania.streamline
Make a comparative run on default and you'll notice the difference.
Mods have been tested with game versions 1.40 and up.
It is completely illegal to reupload using a different link!
The path is excellent.