Stingray Starfire Hydrofoil The Stingray Starfire Hydrofoil is designed to enhance stabilization while on the plane through extending its wing tips. It is built to reduce drag and maximize top-end speed by inverting its trailing edge. With a simple and quick installation, this hydrofoil promotes safety by increasing visibility at lower speeds. Saving fuel and reducing chinewalking, porpoising, cavitation and ventilation, it will provide maximum performance every time. Features Maximizes Stabiliz