I'm my experience they will run from the sound of the impact of the bullet on another hog even with a supresser and sub sonics. makes a big WACKk!
Apparently hogs are smarter than deer. That makes me want to go hog hunting again.
__________________
I have seen my brother shoot a mule deer with a suppressed 44 magnum rifle. The other deer spooked (slightly) when the deer that was shot kicked a few times but they did not run away.
...
Apparently hogs are smarter than deer.