Extreme Dimensions Duraflex GT500 V2 Rear Diffuser 13-21 Subaru BRZ | Signature Black Finish | Rear Aero Diffuser

Overview

The Extreme Dimensions Duraflex GT500 V2 Rear Diffuser is a precision-engineered aerodynamic upgrade designed specifically for the 2013-2021 Subaru BRZ, as well as the closely related Scion FR-S and Toyota 86 models. This one-piece diffuser enhances the rear underbody airflow, reducing turbulence and drag while adding a distinctive aggressive look to your BRZ’s rear profile. Ideal for enthusiasts seeking both style and functional aero improvements, this diffuser balances form and function for street and track use.

Crafted from a proprietary polymer blend and hand-laid 6 oz. fiberglass, the GT500 V2 diffuser offers exceptional flexibility and durability compared to traditional rigid materials. The design incorporates a high-quality, weather-resistant aluminum mesh grille where applicable, providing both airflow management and protection. Extreme Dimensions’ focus on material innovation ensures this diffuser withstands daily driving conditions while maintaining its structural integrity and finish.

By modifying the rear aerodynamics, this diffuser can reduce damage rates by up to 75% compared to stock or less flexible aftermarket options, making it a practical upgrade for Subaru BRZ owners who want to improve their car’s visual presence and aerodynamic efficiency without sacrificing reliability. Its signature black finish complements the OEM aesthetic, delivering an OEM+ quality appearance that integrates seamlessly with the BRZ’s factory styling cues.

Features & Specifications

This Extreme Dimensions Duraflex GT500 V2 Rear Diffuser is engineered for the 2013-2021 Subaru BRZ platform and features a signature black finish with a weather-resistant aluminum mesh grille. Constructed from a proprietary polymer blend and hand-laid fiberglass, it delivers maximum flexibility and durability for Subaru enthusiasts seeking enhanced rear aerodynamics and style.

• Brand: Extreme Dimensions
• Product: Duraflex GT500 V2 Rear Diffuser
• Part Number: 112643
• Fitment: 2013-2021 Subaru BRZ
• Material: Proprietary polymer blend with 6 oz. fiberglass
• Finish: Signature black
• Construction: Hand laid fiberglass with aluminum mesh grille
• Origin: Not specified

Key Benefits

• Aerodynamics: Improves rear airflow management to reduce drag and enhance stability at speed
• Durability: Proprietary polymer blend and fiberglass construction increases flexibility and reduces damage risk by up to 75%
• Fitment: Designed specifically for the Subaru BRZ 2013-2021, ensuring precise OEM+ fit and finish
• Weather Resistance: Aluminum mesh grille and durable finish withstand daily driving conditions and exposure
• Aesthetics: Signature black finish complements factory styling for a clean, aggressive rear appearance
• Maintenance: Easy to clean and maintain, retaining its look and function over time

What's Included

• 1× Extreme Dimensions Duraflex GT500 V2 Rear Diffuser
• High-quality weather-resistant aluminum mesh grille (installed where applicable)
• Installation instructions

Installation & Compatibility

Installation of the Duraflex GT500 V2 Rear Diffuser is generally straightforward for enthusiasts with basic automotive experience and common hand tools. It is a direct bolt-on upgrade designed to fit the rear bumper area without modifications. However, professional installation is recommended for optimal alignment and finish, especially to ensure the mesh grille is properly secured. No special tools are required beyond standard automotive hand tools. This diffuser is compatible exclusively with the 2013-2021 Subaru BRZ; verify your specific model year and trim for fitment before purchase.

• Professional Installation: Recommended
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific 2013-2021 Subaru BRZ model

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