for those rh evo wheels, most 18s come in the 7.5" width with a 42 offset. some of the 19s come in a 44 offset and the 7.5" width. this is the lowest offset you can go with for 7.5" wide wheels, and have some rubbing...anything lower will cause more frequent rubbing. also don't go wider than 225/40 on your 6th gen, but that is the right tire size. it's really up to the mfr to offer many offsets, but usually you don't see this unless you buy modular/multi-piece wheels.