GReddy Rear Diffuser

2015+ Lexus RC F

Part #: 17010263

Overview

The GReddy Rocket Bunny Rear Diffuser is a high-performance aerodynamic upgrade designed specifically for the 2015 and newer Lexus RC F. Crafted to enhance both the aesthetic appeal and aerodynamic efficiency of your vehicle, this diffuser is an essential addition for enthusiasts seeking to elevate their project car’s look and performance. Whether you're aiming for a more aggressive stance or improved downforce at higher speeds, this diffuser delivers on both fronts.

Manufactured by GReddy, a renowned name in the automotive performance industry, this rear diffuser combines quality craftsmanship with functional design. It is ideal for car enthusiasts who want to customize their Lexus RC F with a bold, race-inspired appearance while also benefiting from aerodynamic improvements that support better stability and handling during spirited driving or track days.

Key Features

Designed with performance and style in mind, the GReddy Rocket Bunny Rear Diffuser offers several key features:

• Constructed from durable, lightweight materials to withstand the rigors of spirited driving and track use.
• Precisely engineered to fit the 2015+ Lexus RC F, ensuring a seamless, OEM-like fitment.
• Features a bold, aggressive design inspired by the Rocket Bunny widebody kits, adding a distinctive, race-inspired look to your vehicle.
• Enhances aerodynamic performance by directing airflow more efficiently underneath the vehicle, helping to reduce lift and increase stability at high speeds.
• Easy to install with existing mounting points, requiring no extensive modifications or drilling.
• Finished with a high-quality coating that resists corrosion and maintains its appearance over time.
• Compatible with other aftermarket body components for a cohesive, customized appearance.

Construction & Design

The GReddy Rocket Bunny Rear Diffuser is crafted from premium-grade materials that balance strength and weight savings. Its design features a one-piece construction with precise CNC-cut edges, ensuring a perfect fit and clean finish. The diffuser’s aerodynamic contours are developed through extensive wind tunnel testing and CAD modeling, optimizing airflow to improve downforce and reduce turbulence behind the vehicle.

The aggressive styling cues are inspired by professional racing and widebody kits, giving your Lexus RC F a more commanding presence on the road or track. The durable coating not only enhances the visual appeal but also provides resistance against road debris, dirt, and weather elements, ensuring long-lasting performance and appearance.

Installation & Fitment

The diffuser is a bolt-on upgrade that mounts directly to the factory rear bumper using existing mounting points. No cutting, drilling, or extensive modifications are required, making installation straightforward for most DIY enthusiasts or professional installers. The included hardware ensures a secure fit, and detailed instructions are provided to facilitate a hassle-free upgrade process.

What's Included

• GReddy Rocket Bunny Rear Diffuser for Lexus RC F (2015+)
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

• Owners of the Lexus RC F looking to enhance their vehicle’s appearance with a race-inspired, aggressive style
• Performance enthusiasts seeking aerodynamic improvements for better stability at high speeds
• Car builders and modifiers aiming for a customized, widebody-inspired look
• Track day participants and spirited drivers wanting to support improved downforce and handling