So just get one new panel for each side if you need to raise it up a few.
Increase garage door opening height.
One way to do it would be to get wall extensions for the entire the garage and then cut the roof of the garage off lifting it up to the height you want it.
The height of a garage door can be adjusted by tweaking the limits of the garage door opener which controls the opening and closing height of the garage door.
Raising garage door height i think garage door panels are sized in 3 increments.
Without changing the roof above it appears that the only space available for raising the door is occupied by short 2x4 s or a max of about 6.
How to adjust garage door height step 1.
In addition to improving security setting the right opening and closing height on your garage door improves its energy efficiency as well.
Set up your step ladder beneath the garage door opener being certain the ladder is level and stable.
Locate the limit adjustments screws located on the side of the opener.
It looks like 84 6 your max of 90 or so.
You can as well turn on open in case of the garage door with a mark and close sign.
An exterior shot might help.
Because garage doors are usually sized to snugly fit the dimensions of the garage itself making the door larger usually means making the garage larger.