Verus Engineering Rear Diffuser Kit - 2020+ Toyota GR Supra (A90/A91)

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$679.95 $747.95


The Verus Engineering Rear Diffuser combines function, form, and science to deliver unparalleled fit, performance, and style to your A90 MKV Toyota Supra.  Increase the performance and aesthetics of the car with our simple to bolt-on kit that requires no permanent modifications to the car while retaining significant strength.

Utilizing state-of-the-art analysis software during the R&D process, we were able to extract more performance for the given build volume; increasing downforce generated and drag reduced from the addition of the rear diffuser to the A90 chassis.

During the design process; we utilized in-house scan data.  This results in a product that features a near OEM fit and finish.

This Rear Diffuser was designed for owners looking for function and form.  On track, the diffuser has helped us increase straight line and corner speeds and reduce our lap times.

What is Included:

  • Rear Diffuser

  • (2) Rear Diffuser Bracket, Front

  • (2) Rear Diffuser U Bracket, Front

  • (2) Rear Diffuser Bracket, Side

  • (4) Rear Diffuser Bracket, Rear

  • Hardware Kit, Includes All Necessary Components for a Seamless Install


  • CFD Optimized Design 
  • Reduce Drag
  • Reduce Lift (Increase Downforce)
  • Improved Overall Aerodynamic Efficiency (Improved L/D)
  • Increase Tire Grip at Speed
  • Simple, Non-Invasive, Bolt-on Design


  • CFD Optimized Design
  • 5052-H32 Sheet Aluminum Composition
  • CNC Laser Cut
  • CNC Press Brake Bent
  • Powder-coated Low Gloss Textured Black
  • Stainless Hardware Throughout
  • Unique Strake-to-Mainplane Construction
  • Made in the U.S.A.

The Science:

The Verus Engineering Rear Diffuser decreases the overall lift and reduces the drag of the A90 chassis. The rear diffuser improves the aerodynamic efficiency of the vehicle as a result. The diffuser helped create vortices that keep flow attached to the diffuser surface, further improving its performance. The diffuser creates a low-pressure zone in the rear while the dive planes help add frontal downforce to balance out the rear diffuser. This equates to a well-proportioned aerodynamic balance for the A90 Toyota Supra and what we refer to as our Ventus 1 kit.  If you are looking for more downforce, look into our Ventus 2 and 3 kits.

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