How can I replace Sunburst sounds?

I want to swap out the default sound into this one:
https://www.beamng.com/resources/sunburst-cosworth-i4-engine-sound.3483/
Since that engine doesn't have a turbo, the car is slower. So yeah thats pretty much the reason why I want to swap it out. One thing that is stopping me from doing that though, is not finding the file location for the it's sounds, and probably that it wouldn't work that simply. Any help is appreciated, thanks.

 

i modded the cossy engine so you can turbo it

 

Thanks a lot man, did it take you long?

 

no