Depending on what you are doing with your car, you may want a stiffer or softer sway-bar, and Cusco understands that. They have made their 23mm Rear Sway Bar for your Toyota Yaris GR that will give you the handling and performance you are after. Made from the highest quality materials, you know you are going to get years of trouble free performance from your GR Yaris with the Cusco suspension products.