New Found Glory - Never Give Up Chords & Tabs

I guess it's right, I was messing around one day and the octave chords sound better to 
than single notes
[ Tab from: https://www.guitartabs.cc/tabs/n/new_found_glory/never_give_up_tab_ver_3.html ]
Here is the first guitar part (lots of overdrive)
E-----------------------------------|
B-----------------------------------|
G--------9-9--9-9----------9-9--9-9-|
D-7--7-7-9-9--9-9-9-9--9-9-9-9--9-9-|x2
A-7--7-7-7-7--7-7-9-9--9-9-7-7--7-7-|
E-5--5-5----------7-7--7-7----------|


Here is the cool sounding part (crunchy)
e-----------------------------------------|
B-----------------------------------------|
G-9--9/11---9--9/11---9--9/11---9-7---7-9-|
D-x--x-x--9-x--x-x--9-x--x-x--9-x-x-7-x-x-|x2
A-7--7/9--x-7--7/9--x-7--7/9--x-7-5-x-5-7-|
E---------7---------7---------7-----5-----|