121 to 141" SXR HELP

got em resized. here is what I have.phone pics sorry they suck. The front and center mounts should be good and I replaced every structural rivet I removed. This back bracket just isnt gonna cut it the way it is. any ideas? angle and aluminum plates on the inside of the tunnel? also the heat exchanger on the running board hangs down to far to get the rear bolt in the drop bracket but I think I can grind enough off to make it fit without putting a hole in it.
 
bracing

Yes I would brace it better, looks like you will have to cut away part of the front exchanger to fit around the front mount plates now. For the drop brkts 1/4 " aluminum plating will work in place of your OEM one extending it to the top and with at least 4 bolts
 


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