NISMO Rear Diffuser Fin Set 11- For GT-R R35 748A2-RSR51Brand NISMO Series Name Rear Diffuser Fin Set 11 Product Descriptions Developed as aerodynamically functional parts by employing the latest aerodynamic analysis. The GT500 aerodynamicists completed the basic designs and the NISSAN GT R design team oversaw the development. Rear Diffuser Fin SetMade from dry carbon CFRP. More straight line stability by straightening the airflow and with high stiffness Product Number 748A2 RSR51 Compatible Vehicle GT R