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APR Performance GTC-300 Adjustable Wing; Carbon Fiber w/ 61in Airfoils MAZDA RX-8

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Part #: AS-106108
Notes: GTC-300 Adjustable Wing
Carbon Fiber w/ 61in Airfoils
MSRP: $1,575.00
Your Price: $1,351.97
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All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2004 - 2011 RX-8 ALL ALL ALL ALL ALL ALL

Product Description

Spanning 67 (or 61) inches over its optimized 3D airfoil shape, the APR Performance GTC-300 Adjustable Wing supplies maximum downforce in sports and touring car applications.


  • Angle adjustment holes allow for easy tuning of downforce
  • Reinforced pre-preg carbon fiber withstands extreme loads
  • Interchangeable side plates help to further tune downforce levels


  • Pattern – 2×2 twill weave
  • Material – Pre-preg carbon fiber, 3K
  • Coating – UV-stable clear coat
  • Wing Span – 67” or 61” w/ variable Angle-of-Attack (AOA) (center section vs outer section angle difference: 15 degrees)
  • Hardware – Stainless-steel machine screws, washers, and nuts
  • Mounting – 6061 billet aluminum brackets/pedestals with application-specific bottom mounting bases


  • The APR Performance GTC-300 Adjustable Wing features a 3D airfoil shape that is designed to produce balanced downforce across its span on sports and touring car applications.
  • Each GTC Series airfoil is composed of lightweight and durable pre-preg carbon fiber composite materials for superior strength and low weight.
  • Aerodynamically-tuned side plates (aka end plates), included with every GTC Series Adjustable Wing, are critical components that help to ensure consistent airflow across the full span of the airfoil.
  • Supporting the airfoils are 10mm “aircraft grade” 6061 billet aluminum pedestals that come in a flat black powder coat finish.

Computational Fluid Dynamics (CFD)
Modeled in 3D and validated using Computational Fluid Dynamics (CFD), the APR Performance GTC-500 Adjustable Wing is designed to adapt to a variety of widebody sports and touring car applications.

Gurney flaps are available for all APR Performance GTC Series (200/300/500) wings. These are super lightweight, made using pre-preg carbon fiber processes, and conform perfectly to the contours of the GTC series 3D airfoils. They are easily attached using the included double-sided tape.

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