Take a listen to my favorite IMSA WeatherTech SportsCar Championship audio session–when the GT Le Mans and Prototype classes take to the track for dedicated qualifying runs–where, in preparation for the 2018 edition of the Mobil 1 Twelve Hours of Sebring, some wild sounds were produced by the factory cars from Acura, BMW, Cadillac, Corvette, Ferrari, Ford, Mazda, Nissan, and Porsche.

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