Apparently Stoptech has some replacement rotors:
https://www.m3post.com/forums/showthread.php?t=1251029
ECS also sells a house brand:
https://www.ecstuning.com/b-ecs-part...01004ecs01akt/
PFC also has a V3 Direct Drive replacement rotor for the front.
https://www.m3post.com/forums/showthread.php?t=1330681
I don't know if the PFC V3s are slotted or dimpled -- the V2s were dimpled and I had no problems when I was running the V2s other than a whirring sound at speed, likely caused by the dimple pattern.