HKS Extension Kit w/ Catalytic Converter

2013–2020 Subaru BRZ / 2013–2016 Scion FR-S / 2017–2020 Toyota 86

11999-AT002

Overview:

The HKS Extension Kit with Catalytic Converter is a precision-engineered exhaust component designed specifically for the Subaru BRZ (2013–2020), Scion FR-S (2013–2016), and Toyota 86 (2017–2020). This kit extends your vehicle’s exhaust system while integrating a high-quality catalytic converter to maintain emissions compliance and optimize exhaust flow.

Ideal for enthusiasts looking to upgrade or modify their exhaust setup, this extension kit supports improved exhaust routing and helps maintain reliable catalytic function. Whether you are enhancing your vehicle’s performance or preparing for further exhaust modifications, this HKS kit offers a durable and effective solution.

Key Features:

This extension kit combines thoughtful design and quality materials to deliver reliable performance and fitment.

• Includes a high-grade catalytic converter to ensure emissions compliance while supporting exhaust flow.
• Designed specifically for Subaru BRZ, Scion FR-S, and Toyota 86 models within the specified year ranges for perfect fitment.
• Constructed from durable materials engineered to withstand high temperatures and resist corrosion.
• Facilitates exhaust system extension without compromising factory mounting points or requiring modifications.
• Supports enhanced exhaust flow dynamics, which can help maintain or improve throttle response and overall drivability.
• Compatible with stock and many aftermarket exhaust components, making it versatile for various build stages.
• Manufactured by HKS, a trusted brand known for precision and quality in performance automotive parts.

Construction & Design:

The HKS Extension Kit with Catalytic Converter is crafted with robust materials designed to endure the demanding conditions of performance driving. The catalytic converter is integrated seamlessly into the extension pipe, ensuring a smooth exhaust path that minimizes flow restrictions.

Its design maintains factory mounting points and connections, allowing for straightforward installation without the need for cutting or welding. The kit’s construction balances durability with performance, providing a reliable upgrade that fits precisely with your vehicle’s exhaust system.

Installation & Fitment:

This extension kit is engineered for a bolt-on installation, utilizing existing exhaust mounting points on the Subaru BRZ, Scion FR-S, and Toyota 86 models listed. No cutting, drilling, or special tuning is required, making it an accessible upgrade for enthusiasts and professional installers alike.

• Direct fit for 2013–2020 Subaru BRZ
• Direct fit for 2013–2016 Scion FR-S
• Direct fit for 2017–2020 Toyota 86
• Maintains factory exhaust connections and mounting hardware

What's Included:

• Extension pipe with integrated catalytic converter
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For:

This HKS Extension Kit with Catalytic Converter is ideal for:

• Performance enthusiasts upgrading their exhaust system while maintaining emissions compliance
• Owners of Subaru BRZ, Scion FR-S, or Toyota 86 seeking a reliable exhaust extension solution
• Those preparing their vehicle for further exhaust modifications or custom setups
• Daily drivers who want to ensure proper catalytic function with upgraded exhaust components