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  • Fits 1991-2005 NSX
  • ONLY FITS 1991-2001 model NSX if you have the updated 02+ Style Rear Valence
  • Compatible with most exhaust systems
  • 15 Minute installation
  • Built from Aircraft-grade Aluminum and Powdercoated Satin Black
  • Weighs only 11LBS (5.5KG)
  • Handles curb rash and track abuse like a champ!
  • FAQ about this diffuser
  • Most functional rear diffuser on the market for NSX


Our all NEW NSX Diffuser is frame mounted for the ultimate rigidity and performance. No more bumper clamps! Our new diffuser is frame mounted and will fit all models with the updated 02+ style rear valence! There is adjustability for improved compatibility with many different rear valences!


Gives your NSX an aggressive look from the rear and helps airflow. Diffuser rests approximately 4 inches off the ground at its lowest point.

5-Element Railer Rear Diffuser for Acura NSX

  • Weight: 11 LBS

    Cutting/Drilling Required: None

    Compatibility: 2002-2005. Will fit 1991-2001 with Updated 02+ Style Rear Valence.

    Description: Give your NSX that up to date look with our aggressive 5-Element Railer diffuser! It's street friendly and the body of the diffuser extends all the way up to the rear frame. The diffuser also fits on the 1991-2001 NSX if you have the updated rear valence from Downforce, Seibon, or Acura!


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