They definitely fit in the back, as I have them. You have to grind a couple MM off the top surfaces of the (sport) brake calipers to fit... without grinding they go on but they are scraping bad.
The wheels fit well, but I wish they were not quite as aggressive on the offset.
My car is lowered on H&R springs and aligned to -1.4 in the rear. The wheels and the 315 35 18 tires stick out of the fenders quite a bit, perhaps 1/4" or so, so not real bad. (say goodbye to the paint on your sideskirts lol, mine look sandblasted)
Fortunately the suspension cambers enough on compression to tuck inside the fenders on launch or bumps. I am unable to estimate how much closer to 0 camber I can go before they will strike. When I begin to prepare the car for the track, I will use a ratchet strap on the rack to pull the rear end down and see exactly how much more I can go.
I was going to attempt a 335/345 tire. I can see that with this aggressive of an offset, that is not going to happen, no way. It may work on cars that run more negative camber, there is quite a bit of space on the inside. But at my camber or closer to zero, a 335/345 on a 12" +20 wheel aint happening.
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