Seibon Carbon Fiber Fender Caps 2015-2018 Subaru WRX/STI (Pair)Seibon Carbon components are carefully hand crafted using only the finest materials. Our production team offers superior craftsmanship with over 15 years of experience working with carbon fiber. Every component is constructed with a consistent weave pattern. Our production processes allow exceptional carbon resin ratio, creating high product stiffness that also leads to extra strength for your 2015 2018 Subaru WRX STI. For a stunning finish, our