Porsche|718 Cayman / Boxster 2.5T (982) *With 718 GT4 Bodykit*|2020 Gr.1 titanium / T304 stainless steel exhaust systems and tips for the full R8, RS, and S portfolio. All of our Porsche|718 Cayman / Boxster 2.5T (982) *With 718 GT4 Bodykit*|2020 components are 100% made in house at our factory and we are aiming to provide our customers the best sounding aftermarket exhaust system.