GReddy Version 2 GReddy X Rocket Bunny Aero Rear Under Diffuser

2013–2016 Scion FR-S

Part #: 17010233

Overview

The GReddy Version 2 GReddy X Rocket Bunny Aero Rear Under Diffuser is a high-performance aerodynamic upgrade designed specifically for the 2013 to 2016 Scion FR-S. Crafted to enhance both the visual appeal and aerodynamic efficiency of your vehicle, this rear under diffuser is an essential component for enthusiasts seeking to improve downforce, stability, and overall track or street performance.

Whether you're building a show-stopping street machine or a track-ready sports car, this diffuser helps you achieve a more aggressive stance while optimizing airflow underneath your vehicle. Made by GReddy, a renowned name in the performance automotive industry, this part combines quality craftsmanship with functional design to support your project goals.

Key Features

The GReddy X Rocket Bunny Aero Rear Under Diffuser features advanced design elements and durable materials to deliver both form and function:

• Constructed from high-quality, lightweight fiberglass or ABS plastic for durability and ease of installation.
• Designed with a sleek, aerodynamic profile that reduces drag and increases downforce at higher speeds.
• Features precise mounting points compatible with the factory or aftermarket rear bumper for a seamless fit.
• Incorporates aggressive styling cues inspired by Rocket Bunny widebody kits, giving your FR-S a bold, race-inspired look.
• Engineered to improve airflow underneath the vehicle, helping to reduce lift and enhance stability during spirited driving or track days.
• Finished with a durable, UV-resistant coating to withstand the elements and maintain its appearance over time.
• Designed for easy bolt-on installation with minimal modifications required.

Construction & Design

The diffuser is meticulously engineered using CAD software to ensure perfect fitment and aerodynamic efficiency. Its one-piece construction minimizes gaps and enhances structural integrity, while the smooth, contoured surfaces promote optimal airflow. The lightweight design reduces unnecessary weight, contributing to improved handling and responsiveness. The high-quality materials used resist cracking, warping, and fading, ensuring long-lasting performance and appearance.

Installation & Fitment

The GReddy X Rocket Bunny Aero Rear Under Diffuser is a bolt-on upgrade that requires no cutting or drilling. It mounts directly to the factory or aftermarket rear bumper using the included hardware and mounting brackets. The installation process is straightforward and can typically be completed within a few hours with basic tools. No tuning or additional modifications are necessary, making it an accessible upgrade for DIY enthusiasts and professional installers alike.

• Easy bolt-on installation with factory mounting points
• No cutting, drilling, or tuning required
• Compatible with 2013-2016 Scion FR-S models

What's Included

• GReddy Version 2 X Rocket Bunny Aero Rear Under Diffuser
• Mounting hardware and brackets
• Installation instructions

Ideal For

This rear diffuser is perfect for enthusiasts looking to enhance their Scion FR-S's aerodynamic performance and aggressive styling. It is ideal for street drivers, track day enthusiasts, and anyone aiming to give their vehicle a more race-inspired appearance with improved stability at high speeds.