Your bumper is a consumable part if you build it to strong you're gunna break the next weakest link which could be your bulkhead to tunnel brace. I bent mine last year from a beefy bump..just my opinion
Looking for some info on boondocker numbers for my 14 pro rmk with a 858 I ride blue river/mcbride area..I've heard that the numbers he gives run a lil fat for that area