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Seibon 18-20 Subaru WRX / STI Carbon Fiber Rear Diffuser | Subaru Impreza/WRX (07-21) (RD18SBIMP)

Seibon 18-20 Subaru WRX / STI Carbon Fiber Rear Diffuser | Subaru Impreza/WRX (07-21) (RD18SBIMP)

SKU:RD18SBIMP

Out of stock

Regular price $1,682.35 USD
Regular price $2,200.00 USD Sale price $1,682.35 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Seibon 18-20 Subaru WRX / STI Carbon Fiber Rear Diffuser is a high-performance aerodynamic component designed to enhance the vehicle's downforce and stability. Crafted from carefully hand-crafted carbon fiber, it features a consistent weave pattern and an exceptional carbon/resin ratio that provides increased stiffness and strength. The glossy clear coat finish ensures durability and resistance to chipping or flaking, maintaining a sleek appearance over time. This diffuser not only improves the vehicle's aerodynamic efficiency but also adds a sporty, aggressive aesthetic to the rear end of the Subaru WRX or STI.

Designed specifically for 2018 to 2020 Subaru WRX and STI models, this rear diffuser is a direct bolt-on upgrade that seamlessly integrates with the factory bodywork. It is suitable for street and track use, offering improved handling and stability at higher speeds. Installation typically involves replacing the stock diffuser, and the kit includes all necessary mounting hardware. Compatible with models equipped with the appropriate chassis and body configurations, this carbon fiber diffuser is ideal for enthusiasts seeking to optimize their vehicle's aerodynamic performance and visual appeal.

Overview

Seibon Rear Diffuser

Fits 2018–2020 Subaru WRX / STI

Part #: RD18SBIMP

Overview

The Seibon Carbon Fiber Rear Diffuser is a high-quality aerodynamic upgrade designed specifically for Subaru WRX and STI models from 2018 to 2020. Crafted from meticulously hand-laid carbon fiber, this diffuser enhances your vehicle’s sporty appearance while supporting improved airflow management. Its lightweight construction not only adds a sleek, aggressive look but also helps optimize downforce and stability at higher speeds. Ideal for enthusiasts seeking a combination of style, durability, and performance, this diffuser is a perfect upgrade for both street and track use.

Key Features

This rear diffuser features advanced carbon fiber construction, ensuring a lightweight yet durable component that withstands the rigors of daily driving and spirited driving sessions. Its precise fitment and aerodynamic design help direct airflow efficiently, reducing turbulence and enhancing vehicle stability. The glossy clear coat finish provides a stunning, high-gloss appearance that resists chips and flakes, maintaining its aesthetic appeal over time. Designed with craftsmanship and attention to detail, this diffuser complements the aggressive styling of your Subaru WRX or STI while supporting aerodynamic performance.

Construction & Design

Constructed from high-quality carbon fiber with a consistent weave pattern, the diffuser is engineered for maximum stiffness and strength. The hand-crafted process ensures each piece meets strict quality standards, resulting in a visually appealing and structurally sound component. The glossy clear coat enhances the natural beauty of the carbon fiber, providing a durable, chip-resistant finish that maintains its luster.

Installation & Fitment

The diffuser is designed for a straightforward bolt-on installation, compatible with the factory mounting points on your Subaru WRX or STI. Precise cutouts and contours ensure a seamless fit, allowing you to upgrade your vehicle’s aerodynamics without extensive modifications. Basic tools and some mechanical knowledge are recommended for proper installation.

What’s Included

The package includes the carbon fiber rear diffuser ready for installation, with all necessary hardware and mounting brackets included.

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