Extreme Dimensions Carbon Creations MTS Rear Diffuser 3 Piece 02-07 Subaru Impreza WRX STI 4DR - Gloss Carbon Fiber | Lightweight 2x2 Twill Carbon | Rear Diffuser

Overview

The Extreme Dimensions Carbon Creations MTS Rear Diffuser is a precision-engineered aerodynamic upgrade designed specifically for the 2002-2007 Subaru Impreza WRX STI 4-door models. This three-piece diffuser enhances the rear underbody airflow, reducing drag and increasing downforce for improved high-speed stability. Crafted from premium 2x2 twill weave carbon fiber with a gloss finish, it is tailored for Subaru enthusiasts seeking both performance and visual refinement.

Built with track-proven strength and performance in mind, this diffuser combines lightweight construction with durable materials. The use of carbon fiber not only reduces weight by up to 70% compared to OEM factory parts but also offers superior rigidity and resistance to environmental factors. The integrated weather-resistant aluminum mesh grille adds functional airflow management while protecting critical components from debris.

For Subaru owners, this rear diffuser delivers tangible benefits in handling and aesthetics. The aerodynamic improvements translate to enhanced rear-end grip and stability during spirited driving or track use, while the gloss carbon fiber finish elevates the OEM+ appearance of the WRX STI. This part exemplifies the balance between form and function that Subaru enthusiasts appreciate.

Features & Specifications

This Extreme Dimensions Carbon Creations MTS Rear Diffuser is engineered for 2002-2007 Subaru Impreza WRX STI 4DR models and features a lightweight 2x2 twill weave carbon fiber construction. Constructed from premium carbon fiber with a gloss UV-protectant finish, it delivers superior aerodynamic performance and weight savings for Subaru enthusiasts seeking enhanced handling and style.

• Brand: Extreme Dimensions
• Product: Carbon Creations MTS Rear Diffuser 3 Piece
• Part Number: 116142
• Fitment: 2002-2007 Subaru Impreza WRX STI 4DR
• Material: 2x2 Twill Weave Carbon Fiber
• Finish: Gloss Carbon Fiber with UV Protectant
• Construction: Molded Carbon Fiber Composite
• Origin: Not specified
• Weight Reduction: Up to 70% lighter than OEM parts
• Additional Features: Weather-resistant aluminum mesh grille
• Warranty: 1 year limited warranty

Key Benefits

• Performance: Improves rear downforce and aerodynamic efficiency for better high-speed stability on the WRX STI platform.
• Weight Savings: Carbon fiber construction reduces rear-end weight by up to 70%, enhancing overall vehicle dynamics.
• Durability: UV-protectant gloss finish and weather-resistant aluminum mesh ensure long-lasting performance and resistance to environmental damage.
• Fitment: Designed specifically for 2002-2007 Subaru Impreza WRX STI 4-door models for a precise OEM+ fit.
• Aesthetics: Premium gloss carbon fiber weave adds a high-end, aggressive look that complements Subaru’s performance heritage.
• Quality: Track-proven strength and construction provide confidence for both street and track use.

What's Included

• 1× Extreme Dimensions Carbon Creations MTS Rear Diffuser 3 Piece Assembly
• Weather-resistant aluminum mesh grille (pre-installed or included)
• Installation hardware (if applicable)
• Installation instructions

Installation & Compatibility

Installation of the Extreme Dimensions Carbon Creations MTS Rear Diffuser is generally straightforward for enthusiasts with basic mechanical skills and common hand tools. The diffuser is a direct bolt-on upgrade designed to replace the OEM rear diffuser components without modification. However, professional installation is recommended to ensure proper alignment and secure mounting, especially to maintain the integrity of the carbon fiber finish. No special tools are typically required beyond standard automotive hand tools.

• Professional Installation: Recommended for best fit and finish
• Modifications Required: None; direct bolt-on fitment
• Verify Compatibility: Confirm fitment for 2002-2007 Subaru Impreza WRX STI 4-door models before purchase

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