So, I crawled under my car to install a new cat-back exhaust only to find that the bolts on my cat to my B-pipe were so insanely rusted and fused that I can't even begin to get them loose. I've tried hosing them down with w-d 40 after scrubbing the crap out of them with a steel brush, but that had literaly no effect. On top of that, one of the bolts is almost round now. Thanks Robo Grip!

Any magic fixes? Anyone?