There is a two bolt flange followed by a slip-on flange at the point where the exhaust mates with the downpipe for the 2011+. Don't worry about it. It's there almost to make removing the exhaust easier without loosening the bolts to the downpipe. I'm not sure why its there but its only a 8" section. If you look up a little further, you will see the two bolt flange.
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