Hi all, My 2005 Honda Insight has a pretty serious rot problem and I've been trying to get it repaired but no place seems to be able or willing to touch it. Basically, the problem boils down to a rotten out part that connects the cat directly into the engine. I have no idea what the part is...

In the process of replacing my rusted-out lower cat, I broke off both of the bolts that connected it to the upper cat. I then proceeded to attempt to remove the upper cat by Dremeling off the three nuts used to connect it cylinder head, and now I'm not able to remove the upper cat from the...