How To Install Legacy Catalyst ATI Drivers 13.1 in CentOS 6.5

Steps: 1. Downgrade Xorg

$ yum --disablerepo=\* --enablerepo=C6.3\* downgrade xorg\*
$ yum remove xorg-x11-drv-modesetting xorg-x11-drivers
$ yum downgrade xorg-x11-server-Xorg xorg-x11-server-common xorg-x11-server-utils xorg-x11-drv*

2. Install epel repository info

$ yum install http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm

3. Install the drivers

$ yum -y install kmod-fglrx-legacy.x86_64 --enablerepo=elrepo-testing

4. Disable updates for specific packages

$ grep exclude /etc/yum.conf
exclude=xorg-x11-server-Xorg xorg-x11-server-common xorg-x11-server-utils xorg-x11-drv* kmod-fglrx* fglrx*x11-drv 

5. Reboot!

$ reboot