Using this Perrin Front Strut Bar is a great way to boost your car's performance. To install it, follow the provided installation guide, and it should take about 30 minutes. If you have a 2005 - 2009 Legacy GT, don't forget to trim the plastic engine cover before installation. When using the strut bar, there's no need for any special operation. It will automatically reduce strut tower flex. For maintenance, you can clean the bar regularly with a mild cleaner to keep its finish looking good. Avoid using harsh chemicals that could damage the anodized feet or the powder - coated bar. If you notice any signs of wear or damage, it's a good idea to have it checked by a professional.