[choctaw111]

so, just a quick question, where do i extract to?

Before you do anything, open your "Il2 Sturmovik" folder. Then open your "MODS" folder. Then open your "1 Basic" folder. You will see a "Samples" folder. Make a copy of this folder and keep in a safe place just in case you don't like any new sound you try, you can always replace them with your "backup" sounds.
Once you have my file, extract to Il2 Sturmovik/MODS/1 Basic/Samples. It will ask if you want to overwrite the files. Since you have already made a backup (at my behest) click yes to all.
You're finished. Fire up Il2 and fly.