Re: Bull bar GC 15 Diesel
From what I've read there are no issues with standard sized tyres, but going up a size can result in some rubbing. The nose drops by 15mm or so.
Here is a very long thread with some owners finding rubbing.
ARB Bullbar Delayed
MY14 Grand Cherokee LTD CRD - ORA2 & QL | Mopar 18" Night Fever Rims & Rock Rails | Chief Recovery Hooks & Sump Skid Plate | STMaxx 275/65R18