I got it fitted with the suspension, but the folks that did the fitting did a pretty rough job, the brackets Ironman supply for the D22 are average at best, they don't have any interlocking with the chassis rails so over time the bar just kept moving up and down on the bolts.
I've since had the bar off and welded extra plating above and below the chassis on the bar brackets, these now carry the weight of the bar, and the bolts just hold it on. Now it stays put when I give it a nudge while out wheeling, first time out I nearly pushed it up into the damn guards at the sides, it was at that point I realised the brackets needed to be sorted.
If you decide to get the Ironman bar down the track, allow for making your own brackets, or modifying theirs as your old man did.