Using this rear diffuser is a breeze. First, take it out of the box and check that all the hardware is included. Then, position the diffuser below the center of your rear bumper cover. Use the supplied hardware to bolt it on. It's an easy bolt - on installation, so you don't need any special tools. When it comes to maintenance, just clean it regularly with a mild soap and water solution. Avoid using abrasive cleaners that could damage the painted finish. If you choose to paint - match it, make sure to use high - quality paint. Keep an eye on the bolts over time and tighten them if they become loose. And remember, it has a 1 - year warranty against manufacturing defects, so if you notice any issues related to manufacturing, contact us right away.