STI Rear Under Diffuser Black - 2022-2024 Subaru WRX

The Rear Under Diffuser will come in a black finish to improve the looks and aerodynamics on the Subaru WRX.

RallySport Direct proudly carries a great selection of genuine and exclusive Subaru OEM components for those of you who want to get your performance and OEM shopping needs all in one location.

This is the STI Rear Under Diffuser. This diffuser has been designed to provide the air under the with a proper exit channel out of the rear bumper at higher speeds. This will increase the downforce while stabilizing the chassis by creating a vacuum under the vehicle, pulling the chassis closer to the ground. Additionally, this rear under diffuser will add a more aggressive look to the rear bumper of your WRX, while adding value with a genuine exclusive STI component.

HIGHLIGHTS:

• Genuine STI component
• Black finish
• Durable construction
• Improves the aerodynamics by creating a vacuum beneath the vehicle
• Allows the air to efficiently escape the rear of the vehicle
• Adds a more aggressive and exclusive STI look