Removing the old exhaust started off fairly easily, but as usual, the last 2 nuts were problematic. Of course, they were the most difficult to get to. One had rounded shoulders, but a device called a "Gripper socket" soon put paid to that.

Then there was 1.

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Irwin Gripper socket

This too seemed to have rounded shoulders but was almost completly round, gripper could get a hold. With considerable jiggling, it came loose and was eventually withdrawn. It turned out to be a socket screw. So there you are, exhaust off.

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