Using this Cusco rear cross member power brace is easy. First, make sure your car is on a flat and stable surface. Then, use the included installation hardware to attach the brace to the rear end of your Subaru WRX (2022 - 2025). It's designed to fit properly, so you don't have to worry about complicated adjustments. When driving, you'll immediately notice the improvement in handling and feedback. As for maintenance, regularly check the brace for any signs of damage or loose parts. Keep it clean and if you notice any chips in the Cusco Blue Power Coating, touch it up to maintain its corrosion - resistant property. Always follow the normal car maintenance schedule to ensure the best performance of the brace and your vehicle.