The Sports Car Driving Association, LLC will host a rare UNMUFFLED HPDE event at the thrilling Lime Rock Park on July 31st. This means your can bring cars that are normally restricted by sound limits at Lime Rock. Format: Same amount of driving as a full day, but Afternoon only (1-6pm) 4 on track sessions per group. Experienced Solo Drivers Only (Intermediate- Advanced) Price: $345 To register, please go to: www.SCDA1.com/schedule