|I purchased the wheels and tires before the AP Racing kit and the fitment was PERFECT (Front = 18"x10" +32 and 285/30/18, Rear = 18"x10.5" +38 and 295/30/18). It required only a roll in the front and rear. The viewable lines of the car remained stock. No rubbing at all but the ride height was set really high (KTS/SPL Coilovers). I had no intentions of flaring the fenders and seam-sealer was used for the roll.
I then added the brakes which required a +10mm spacer (effectively +28 in the rear). In order to clear at the pictured ride height, it required a flare. It was very mild (just the top of the arch) and I used a heat gun and took my time. If it weren't for the seam-sealer you wouldn't be able to tell it wasn't stock. The sealant between the fender and the lip isn't quite perfectly even. When you start to flare the bits of aggregate and sealant start to press through the back side of the roller and you don't get an even flare. The pics don't show it, but the fender needs some paint work (not quite perfect). Search ArticDragon for flare writeups.
My advice is if you want them flared, don't add the seam-sealant until after you have them exactly where you want them (if at all). A reputable body shop should be able to do it with an Eastwood fender roller.