SCVroker7253

Hello, I have a 2002 Honda Accord 2.3L and I have been dealing with a very persistent and annoying exhaust leak that I cannot get rid of and I do not understand where it is coming from. I have an aftermarket exhaust system on my car but I have replaced every exhaust gasket, resurfaced my exhaust manifold, checked to see if the head or any of the flanges are warped, and checked for any cracks and everything seems to be fine. So it doesn't make sense why I always hear a exhaust leak hissing noise when I am driving even though everything should be perfectly sealed. Is there any other thing that could be causing this exhaust leak noise? I also have a cold air intake if that makes any difference at all. If someone could help me out with this I would be so grateful.