Good-Win Racing Mazda Performance Parts

Velox Motorsports ND Rear Diffuser


In stock!

Miata MX5 2016-2017 · Exterior

Part Number: 61-2021

Application: 2016-2017

Price: $529.95


Velox Motorsports ND Rear Diffuser
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A fully functional diffuser for the ND Miata that reduces lift, reduces drag, and looks great too. We're big fans of aerodynamic parts that WORK, and Velox motorsports designed this unit in CFD specifically for the ND. If you're like us and want to geek out over all the technical details, you can view the full write-up at the link at the bottom of this page.

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.

** We will be test-fitting this with our popular Roadstersport exhaust offerings shortly.**

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

Design Features:
Organic Shape
Flat head riveted strakes (No rivet heads visible, flat bottom)
Simple Bolt on installation, no cutting required
Reduces drag
Significantly reduces lift

LINK to Installation Manual

LINK to CFD data and info

*** Product images may differ from actual product appearance ***


I wanted to thank you for the excellent customer support,the smooth transaction, and the quick delivery of my Enkei RPF1 16x8 wheels. I would recommend your company to anyone interested in good old fashion great customer service. Thanks again and look forward to doing business with you again in the future.

-- Jack

Hi Brian, I just bought a heatshield and a cruise control relocation bracket for my '95 Miata from you. It is in the mail now. Thanks for such fast service. (My cruise is just wrapped up in a microfiber shoprag at this time!)

-- Bob