Using these GrimmSpeed fender shrouds is a breeze. First, make sure your engine is cool. Then, simply take out the old factory shrouds. The new shrouds come with all the necessary hardware, so you can directly fit them into place. It's a straightforward process and doesn't require any special tools. As for maintenance, keep the shrouds clean. You can use a mild soap and water solution to gently wipe them down. Avoid using abrasive cleaners as they might damage the powdercoat finish. Also, check the hardware periodically to make sure it's tight. If you notice any loose parts, just tighten them up to keep the shrouds in place.