Using these fender flares is a great way to enhance the look of your 2006 - 2007 Subaru WRX or STI. First, before installation, make sure to prep the flares. This might involve some light sanding to get a good surface for painting. Then, do a dry fit to ensure they line up perfectly with your car. Once you're satisfied with the fit, you can proceed to paint them to match your vehicle's color. Remember, these flares are made to order, so it'll take about two weeks for them to ship after you place your order. To maintain them, just wash them regularly with a mild car soap. Avoid using harsh chemicals as they could damage the fiberglass or the gelcoat finish.