I just noticed that the first pic is a little deceiving. It would appear in that pic that you may have interference between the spring and the framerail if you recessed the coilover mount deeper into the trunk as would be the case with the DSE style crossmember. When I just now noticed that I initially thought I answered my own question

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I do think the Quadralink has the shocks mounted more in-board and in vertical position.
Here is another G-link pic that isn't so deceiving. It also happens to be of a Fab9 setup which will illustrate the exhaust routing challenge I'm dealing with.