I changed my cup2s to PS4S 295/35/19 all around. Not as precise as the cup2s but 9.5/32 on tread as opposed to 5/32 on cup2s. Just made a 1,000 mile trip to VT and the PS4S performed just fine. Less of a "pucker factor" in the wet. Nothing but street driving. Running 35 psi all around.
I have been running PS4S Squared for about 1500 miles on my stock wheels. Just completed a trip from NC to VT. No problems at all with this setup. Don't track only spirited driving.
Have about 200 miles on PS4S. Since I did not track just spirited driving tires seem fine. As noted still can not rotate because different wheel sizes. But have full size spare.
295/35/19 and 305/35/19 Cup2s from a 2020 GT350. 7,000 miles no track just street driving. Not a Cup 2 expert but tires seem to have some life in them. $100 per tire or best offer. Prefer local pickup Raleigh area. Removed and mounted 4 295/35/19 PS4S tires on car. Thanks