No it isn't April Fools.
Kostecki will return for NZ.
https://www.supercars.com/news/kostecki-set-to-make-racing-return?fbclid=IwAR00PK_Ye0gJwjCy15F3PV1xNlpcEQ-s9HpuLIoz3A5n0BYWvreqgD3xXBs
Kostecki will return for NZ.
https://www.supercars.com/news/kostecki-set-to-make-racing-return?fbclid=IwAR00PK_Ye0gJwjCy15F3PV1xNlpcEQ-s9HpuLIoz3A5n0BYWvreqgD3xXBs