Using this GrimmSpeed Alternator Cover is a breeze. First, remove your vehicle's existing plastic factory cover. Then, securely mount the new cover in its place using the slotted mounting features for a flexible and easy installation. If you have a Subaru Forester, Legacy, or Outback, make sure to purchase the additional OEM bracket (23791AA002) for a proper fit. As for maintenance, the anodized black machined aluminum mounts and durable DuPont powdercoat provide good corrosion resistance. You can simply clean it with a mild automotive cleaner regularly. When you notice any signs of wear or damage, it's a good idea to inspect it thoroughly and replace any necessary parts. Also, be careful when drilling cable mounts using the drive - by - cable dimples to ensure they are installed correctly.