For what it’s worth, I went for 275s on the rears and while the stock is still pretty scarce, I was able to find some pirellis. They’re only .2” smaller in diameter and work well. TireRack has also just got stock in of Vredstein Wintrac Pros in 275s which I run on our Audi RS6 and they work well
I've tried it now and it works.. answering my own question!
These are
20x9 et 49 O.Z. Hyper XT HLT
20x11 et 55 O.Z. Hyper XT HLT
With
Pirelli Scorpion Winter - 245/45r20 front and 275/40r20 rear
The offset puts them 5mm further out than stock and the rears are .3" shorter than stock, but...
Has anyone tried this? Vredstein wintrac pros area available in those sizes.
Has anyone tried this? Vredstein has wintrac pros is this size. I ran them on an RS6 Last year and they were decent
I know Porsche says you can only fit 20" or larger wheels with PSCB, but has anyone tried it? Especially with some of the aftermarket wheels that have shallow / straight barrels, I'm wonderin if it would fit. I'm looking to do a custom winter / all terrain setup for my CT 4S and would love to...