Ride with Le Mans winner Andy Wallace in a 2005 Audi R8 LMP1 prototype for the latest in-car audio feature on the Marshall Pruett Podcast. Armed with a 3.6-liter twin-turbo V8 churning out 650 horsepower thanks to 25.4 pounds of boost, Wallace flies around Daytona International Speedway during the HSR vintage event at a pace that put the car on pole. The Briton was only one second slower than the best time set by a Cadillac DPi-V.R in qualifying for the 2017 Rolex 24 at Daytona...

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