Did you set up the icon adjustable trac bar to match the length of the OEM bar or did a shop do the install and adjust bar length during alignment? If it was set to match the OEM bar length and your alignment was within spec you'll be fine to pop on the relocation bracket w/o additional...
Actually it was this forum that convinced me it was worthy for the DI 2.3. May not make any difference in longevity but I'm very happy the snot that is collected not going back to the engine.
Few good options out there now compared to 3-4yrs ago. Back then I went with the J&L. Price was reasonable, easy install and does what it says...I'll have roughly a half ounce of oily smudge at 5k oil change intervals. I always check it at least once in between oil changes...seem to get more...
Some here will say your fine at 30k but for me I'd definitely do the front & rear axles, transfer and transmission. Lots of folks will flush the brake/clutch fluid as well.
I don't recall what year the 2.3 went to electric assist brakes? If you have the vacuum assist brakes you don't need brake maintenance mode for the fronts, just the rears.
No, the width of the rim won't have any affect on poke unless the rim is as wide, or wider, than the tire...the offset is the offset no matter the width of the rim. The width of the rim will only affect the bead width of the tire, it won't affect the overall width of the tire and how much it...
Going from your +55mm BB wheels to +6mm will push you out 49mm (+1.9"). With 35 x 12.50 tires that'll be poked out roughly 7/8" more that sasquatch...you'll be well beyond your non squatch flares.