- The use of Slingshot Racing items may render some vehicles illegal for road use in some states. The purchaser assumes full responsibility for the disclosure to the customer of all state and federal laws pertaining to the use of these products on public roads. Many Slingshot Racing products are designed for racing use only and do not incorporate certain components needed for street use. It is the responsibility of the purchaser to recognize the intended use of the product and to determine if the product is legal for use on public roads.