Velox ND MX5 Miata Rear Diffuser

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Being beautiful and functional, it's not often tied together in the performance aftermarket world but it's proven here. The Velox Motorsports rear diffuser for the ND Miata reduces lift, reduces drag, and improves the cosmetics of the vehicle.  By using CFD, we were able to improve performance of the diffuser while keeping it in a specific build volume for daily and track use.  The unit is adjustable vertically to fit multiple aftermarket exhausts.  Produced from aluminum, the unit can take quite a beating and still retain it's functionality and shape.

  • 5052 Aluminum
  • Durable black powder coat
  • Stainless hardware throughout
  • All brackets/hardware included for a full install


  • Powder Coated Matte Black
  • Organic Shape
  • Flat head riveted strakes (No rivet heads visible, flat bottom)
  • Simple Bolt on installation, no cutting required
  • Reduces drag
  • Significantly reduces lift

1 Review

  • 5
    Great product

    Posted by KillOByte on Mar 30th 2019

    Very well designed and high quality, The back end feels well planted at speed. Install can be tight but isn’t bad. They have good install instructions and there is at least one YouTube video.