- Small finned diffuser
Add a bolder look to your stock rear diffuser with the Type 1 add on diffuser. Diffuser installs on top of your original diffuser between the exhaust tips. Diffuser fits Carrera, Carrera S, Carrera 4, Carrera 4S and GTS models. Diffuser is designed to be painted the color of your 991 adding a contrast to your Black diffuser.