Overview
- The homologation session at the Windshear rolling‑road tunnel in North Carolina tested Chevrolet, Ford and Toyota entries at 200–300 km/h.
- Supercars confirmed the Camaro completed its role as the baseline car and will not return to the tunnel this round.
- The Mustang underwent directed updates in hidden areas, including a revised front undertray, to help commonise components across models.
- The Toyota Supra will receive visible changes informed by CFD and tunnel data, with a different front fascia expected on the race‑ready version.
- Tim Edwards reiterated confidence in achieving aero parity for 2026, as Supercars released tunnel images of WAU’s second Supra and WAU continued separate engine testing at Winton.