Our spy photographers caught this 2024+ S650 Ford Mustang test mule with a new center-exit exhaust system out in the wild. It's a higher performing version of the pony that might be a road-going version of the GT3 race car.

It seems Dark Horse-based especially up front with the mostly camouflaged aggressive grille. In the rear we see a revised bumper and spoiler that's covered up. It rides on Pirelli PZero tires, size at 275/40 R19 on the rear, with 255/40/R19s on the front. Sounds from it were aggressive but not enough to indicate anything different from current versions.

Could it be an early road-legal GT3 test mule?
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