Attention Race Teams: All cars, including outlaws, participating in the Bass Tire Family Night event at Nashville Fairgrounds Speedway on Saturday, August 12, must comply with Nashville noise regulations. A muffler must be used and installed in a configuration that will suppress exhaust noise to a maximum of 99 db’s at 100 feet. Recommended, 95 db’s. Failure to comply will result in penalties up to ineligibility to participate in the racing event.