V1 Diffuser Undertray – Toyota GR Supra A90/A91

Enhance the aggressive styling and aerodynamic performance of your GR Supra with the V1 Diffuser Undertray. Designed to bolt directly beneath the stock rear diffuser and brake lamp, this piece delivers a race-inspired aesthetic and improved airflow management for a cleaner, more planted rear-end look.

Crafted with precision for the A90/A91 Supra, the V1 Diffuser Undertray is a single-piece design that integrates seamlessly with factory components. It adds depth and definition to the rear profile while maintaining a functional, lightweight structure ideal for both street and track builds. For an even more aggressive appearance, pair it with Cen-Cal’s Rear Splats to complete the full aero setup.

Product Features

Direct Bolt-On Fitment

• Mounts underneath the OEM rear diffuser and brake lamp using factory mounting locations.

One-Piece Construction

• Streamlined single-piece design enhances rear-end contour and stability.

Aerodynamic Enhancement

• Improves underbody airflow while adding a motorsport-inspired rear appearance.

Premium Build Quality

• Durable and lightweight construction engineered for precision fitment and long-term performance.

Versatile Styling

• Complements factory components and pairs perfectly with optional rear splats for a complete aero setup.

Compatibility

• Toyota GR Supra A90 (2020–2022)
• Toyota GR Supra A91 (2023–Present)

Installation

Professional installation is strongly recommended to ensure proper alignment and secure mounting