Bit the bullet & installed the strut brace this afternoon, took no longer then 15mins to disassemble the interior plastics, and another hour marking & cutting the seat belt towers to fit. Due to the beaded weld of the AutoExe's bracket construction, cutting was the only option.
Verdict? $140 well spent
makes a substantial difference in cornering at 60km/h, makes it a lot more rigid...
Pics:
from the back
RHS bracket
LHS bracket
how the sub sits now
Going to be cutting the interior plastics on Monday afternoon, didnt have time this afternoon. Will update once done.