Intro riff:
{bass w/distortion}
|--------------------------------
|--------------------------------
|--3----3--1----1---3----3--4^^--
|----3-------1--------3---------- 

|--------------------------------------
|--------------------------------------
|--3----3--1----1---4--3--2---4--3--2--
|----3-------1-------------------------

I think that's it? 
If you have a better version e-mail me at shaft920210@aol.com