F1 Dabba system Dabba gate plate thickness is 4 mm (the highest thickness of usual gate plates). The benefit is stronger resistance to throwing and gathering. Made of 304 stainless steel and TIG welding. Dabba size is 3 inches. Sound on and off via remote control. Bend for faster air exit, which increases the car's power. A noticeable increase in sports performance and horsepower. Compatible with most cars.