Description
This item is made to order, normal lead time is 1-2 weeks.
Upgrade the aerodynamics of your Subaru STI (2015–2021) with the APR Performance GTC-300 Carbon Fiber Adjustable Wing. Designed specifically for the STI, this high-performance wing is engineered for motorsport and track applications, delivering optimized downforce, improved cornering stability, and superior braking performance with minimal drag.
Crafted from pre-impregnated carbon fiber, the GTC-300 combines lightweight strength with race-inspired aesthetics. Its fully adjustable design allows you to fine-tune the angle of attack for precise aerodynamic balance tailored to your driving conditions. With CNC-machined aluminum risers and optional Gurney flap, this wing provides a professional-grade upgrade for serious enthusiasts and track-focused vehicles.
Specifications
- Span: 61” or 67” (1549 or 1702 mm)
- Chord Depth: 10”–12” (254–304.8 mm)
- Height: Up to 13” (330.2 mm)
- Angle of Attack: Adjustable 0°–15°
Key Features
- Precision Airfoil Design
- CFD-engineered cambered profile maximizes downforce while minimizing drag.
- Optimized for rear-end stability and airflow attachment at high speeds.
- Adjustable Angle of Attack
- Fine-tune downforce and drag to match track conditions and vehicle dynamics.
- Higher angles increase cornering grip; lower angles enhance straight-line speed.
- High Downforce, Low Drag
- 8.8:1 downforce-to-drag ratio ensures performance without compromising top speed.
- Adaptable to tight corners, technical circuits, and high-speed straights.
- Premium Carbon Fiber Construction
- Pre-preg woven carbon fiber sheet, autoclave-cured for maximum strength and minimal weight.
- Maintains rigidity at high speeds, resisting flex under aerodynamic loads.
- Adjustable Aluminum Risers
- 10mm aircraft-grade 6061 billet aluminum risers for precise height and airflow control.
- Adjustable mounting system for vehicle-specific tuning.
- Compact Yet Effective Design
- Mid-to-large wing size balances downforce and drag.
- Ideal for track cars, time attack builds, and performance street vehicles.
- Custom Fitment Options
- Carbon fiber bottom plates for STI-specific fitment.
- Aluminum bottom plates for universal fit applications.
- Mounts over factory spoiler/wing holes for clean installation.
- Optional Gurney Flap
- Height: 1/2” (12.7 mm)
- Increases downforce, reduces flow separation, and enhances cornering grip.
- Pre-preg carbon fiber, attached with 3M VHB double-sided tape.
Fitment
- Vehicle: Subaru STI
- Years: 2015–2021
- Notes: STI only. Designed to replace or augment factory spoiler/wing mounts.
