I did go under and there doesn't seem to be any leaks and I didn't expect there would be everything lined up and bolted in nice and tight with new gaskets. The only place there is a "leak" is that tiny vent hole on the bottom rear side (toward the back of the car) of the resonator, that hole is supposed to be there because there are 2 identical ones on the bottom back side (toward the front of the car) of the mufflers but those ones don't seem to make any noise. Im going to plug the resonator vent hole with jb weld tomorrow that will get rid of half of the problem, and a better downpipe with higher quality flex will fix the other half. I just have to decide if I want catted or not.