The Frustrators - West Of Texas Chords & Tabs

Main Riff:
[ Tab from: https://www.guitartabs.cc/tabs/t/the_frustrators/west_of_texas_btab.html ]
G|------------------------------------|
D|------------------------------------|
A|--(7x8)-(3x8)-(0x8)-(9x4)-9h10p9-7--|
E|------------------------------------|

That's the whole song. The riff changes some at the very end, but I can't quite catch 
If someone could help me out with that, it'd be awesome. :)