Trim off the hangers in the image.
The threaded rods on top of the muffler are what I used to set the height of the muffler under the car... they should be just touching the heat shield. I made some high temp rubber bumpers to fit over the rods to avoid metal to metal contact, but it squeeks like a baltimore rat on trash day so I plan on cutting the rods off altogether.
The inlets are slip joints that are clamped, so I made two simple metal angle brackets that mount to the heat shield at it's mounting brackets and used flaps rubber muffler hangers that slide under muffler clamps at the inlet.
Very easy install... once the headers are done