14” wheels on a 15 900 trail

im currently running the stock wheels with 28×9 and 28×11 mega mayhams no lift im looking at the sti hd6 wheels 14” with 30×10 rocktanes the wheels are 4+3 offset i know it will make my machine wider, but will they increase or decrease rubbing with the extra width. also will it clear with out a lift i know some are running 30s with no lift