Be sure to use pitch shifter (digitech whammy for example) on the main riff. I marked this riff with semi-harmonics just to get the right notes.  Also there is some phaser in the interlude part (when Joe plays octaves).
Check out my cover of this song and use it as a playthrough: https://www.youtube.com/watch?v=HzcQEKd0Jr8

If you have any questions or corrections, feel free to send me a message:
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And please check out my Youtube Channel:
http://www.youtube.com/user/Godspeedy14