I tried with the horizon and have not found this option, they could show me a program for me to modify the sensitivity of the control?
Reaper Epic multiplayer?
why not use the in-game options menu?
Because it will to some extent need more.
Gears 3 https://www.horizonmb.com/threads/134827-Gears-of-War-3-GPD-Editor-v1-0-0-0/page2