All-new driver lineup for RS1 in No. 28 Porsche 718 Cayman GT4 RS Clubsport… By John Dagys, Photo by Jake Galstad / IMSA January 3, 2025 – RS1 will head into this year’s IMSA Michelin Pilot Challenge with an all-new driver lineup, with confirmation of Jan Heylen and Luca Mars in its Porsche 718 Cayman GT4 […]