Seibon – Carbon Fiber Rear Diffuser Cover – 2022+ Toyota GR86 / Subaru BRZ

The Seibon Carbon Fiber Rear Diffuser Cover gives the 2022+ GR86 and BRZ a more aggressive, performance-focused rear end while helping manage airflow under the vehicle. Designed to replace the factory cover with lightweight carbon fiber, this diffuser sharpens the rear profile and adds a premium motorsport aesthetic.

With extended fins and sculpted lines, the diffuser helps reduce turbulence and improve stability at speed. The high-gloss carbon finish stands out on both street and track builds, complementing other aero upgrades while keeping weight to a minimum. It installs using factory mounting locations for reliable fit and clean alignment.

Benefits & Performance

• Aggressive diffuser styling for performance look

• Helps manage airflow and reduce turbulence

• Lightweight carbon fiber reduces rear mass

• High-gloss finish with UV protection

• Direct-fit installation using factory points

• Perfect for street, show, and track builds

Construction

• Hand-laid carbon fiber layers

• Reinforced mounting areas for durability

• UV-protected clear coat to resist fading

• Precise engineering for OE-quality alignment

Why Seibon?

Seibon produces premium carbon fiber components trusted by enthusiasts, builders, and motorsport teams. Their products are known for exceptional fitment, lightweight strength, and high-end finish that elevates both style and performance.