I thought it sounded like I had an exhaust leak, so I crawled underneath with a light while it was running. On the driver's side, I can see around three of the four ports where it looks like it's leaking and there's some wet residue goo. One of them was even bubbling a bit. I put a ratchet on the bolts just to see if any of them were obviously loose, but didn't seem to be. I didn't wrench on them too hard, but none turned at all.
Suggestions? Tighten bolts? I don't want to over-tighten and break any. New exhaust gaskets and bolts?