Using this alternator cover is straightforward. First, refer to the included installation guide for step - by - step instructions. It's designed to fit easily on your 2008 - 2014 Subaru WRX or 2008 - 2021 Subaru STI. When installing, make sure all the parts are properly aligned and tightened. As for maintenance, keep it clean by wiping it down with a soft cloth. Avoid using abrasive cleaners that could damage the powder - coated finish. If you notice any scratches or damage, it's best to address it early to maintain its appearance and durability.