• Fits 2009-2017 GT-R (Specify below which year you have)
• Comes with 5 fins, support rails and all hardware.
• Attach to your existing OEM undertray.
• Installation Instructions
• Built from thick aluminum and wrapped in carbon fiber 3M vinyl.
• Choose from Matte or Glossy carbon fiber 3M vinyl.
• Frequently Asked Questions about these fins.
• Tested at 175 MPH. Diffuser fins are very durable and do not wobble or bend.
These fins attach to your existing carbon fiber diffuser tray. Fins help channel fast moving air from front to back properly. This reduces drag and in return, improves lap times. Choose from 4.5 inch fin depth up to 6.0 inch fin depth. 4.5 inch is recommended for street use and 6.0 inch is for the track.