Flush wheels and the rear quarter?
 

I'm concerned about having wider front wheels. Has anyone noticed rock chips and scatter marks on the rear quarters from dirt being kicked up by the front tires?

I noticed I got a little bit more dirt come up on the rear quarters after I pushed my wheels out a little bit (~2mm) more poke than flush. Not a big deal. No rock chips as a result yet. Looks better IMO to have it flush.

I fitted the optional Toyota / Scion mud flaps when I filled my wider wheels. They are not obtrusive, and very effectively prevent any 'wheel spray' from hitting the body sides.