Remove Rear Bumper???

[ProjectM96]

I am in the process of installing my exhaust. There are 4 bolts on top of the muffler I cannot get access to with the bumper in the way.

I tried removing the rear bumper. I spent 3 hours and I lost a few screws and sheared others. But I could not remove the bumper.

There are 3 screws under the rear spoiler that need to be removed. I tried removing the rear spoiler but it would not come out even after I used the allen wrench to remove all spoiler related screws and bolts.

Anyone know of a way to remove the spoiler and rear bumper?