If u have cfs and /or cfs2, you can hunt for sounds (such as
explosions or bullet hits and much more), the sounds are
100% compatable with AH, just have to highlight
the sound u like and save as the file u would like
to replace in HTC\Aces High\Sounds.
(Aways make a complete backup of your sound files before
changeing them)
If youre talking abi=out the sound of the bullet hitting the
enemy plane from your cockpit, there would have to be a
file created by HTC and inserted in the code at the appropriated
spot. But that would be way down on the prority list
for HTC guys.