GT HKS Cobb Titanium Catback Exhaust Subaru BRZ 13 23 Toyota 86 GR86 17 23 Spyder Projector Headlights Scion FRS (13 16) Toyota 86 (17 19) Haloge F CON V Pro + PowerWriter Set ELECTRONICS PRODUCT HKS. HKS ECU Free Harness 20132021 Subaru BRZ 20132016 Scion FRS 20172021 Toyota 86 2. 0L Part #: 45999 AF004 Overview The HKS ECU Free Harness is a specialized wiring solution designed for enthusiasts who want to enhance their Subaru BRZ, Scion FRS, or Toyota 86 without the need for complex modifications. This harness provides a seamless way to connect aftermarket devices, such as the HKS EVC GT Valve Controller, directly to your vehicle's ECU, ensuring reliable communication and optimal performance. Whether you're aiming to improve your car's tuning capabilities or add auxiliary control systems, this harness simplifies the installation process and maintains the integrity of your factory wiring. Designed with the performance enthusiast in mind, the HKS ECU Free Harness allows you to upgrade your vehicle's electronic control systems with minimal hassle. It is ideal for those who want to support modifications that enhance throttle response, boost control, or other engine management functions, all while preserving the factory wiring harness. This product is perfect for DIY tuners, professional installers, or anyone looking to streamline their upgrade process without risking damage to existing wiring or sensors. Key Features The HKS ECU Free Harness is engineered with precision and quality to ensure a reliable and straightforward installation experience. Its key features include: Custom designed wiring harness compatible with Subaru BRZ (2013 2021), Scion FRS (2013 2016), and Toyota 86 (2017 2021) models equipped with 2. 0L engines. Allows connection of the HKS EVC GT Valve Controller without modifying existing wiring, preserving factory integrity. High quality, durable wiring with automotive grade connectors to withstand under hood conditions and vibrations. Plug and play design that simplifies installation, reducing time and effort required for setup. Maintains factory ECU signals, ensuring compatibility with stock and aftermarket tuning components. Supports clean, professional looking installations for both street and track use. Constructed with attention to detail to ensure long term reliability and performance. Construction & Design The HKS ECU Free Harness features a robust construction with high quality, automotive grade wiring and connectors. Its design emphasizes durability and ease of use, with a plug and play architecture that eliminates the need for cutting or splicing factory wiring. The harness is tailored specifically for the Subaru BRZ, Scion FRS, and Toyota 86, ensuring a perfect fit and seamless integration with the vehicle's existing electrical system. Its compact and flexible design allows for neat routing within the engine bay, maintaining a clean engine compartment appearance. Installation & Fitment The HKS ECU Free Harness is designed for a straightforward, bolt on installation. It connects directly to the factory wiring harness and the aftermarket device without requiring any cutting, splicing, or soldering. The harness uses OEM style connectors to ensure a secure and reliable connection. No additional modifications or tuning are necessary for basic installation, making it suitable for both professional installers and DIY enthusiasts. The harness is compatible with the specified model years and engine configurations, ensuring a perfect fit for your vehicle. Plug and play installation with no cutting or splicing required Compatible with Subaru BRZ (2013 2021), Scion FRS (2013 2016), and Toyota 86 (2017 2021) models Supports installation of the HKS EVC GT Valve Controller and similar aftermarket electronic devices What's Included HKS ECU Free Harness All necessary connectors and wiring components for a complete installation Ideal For Performance enthusiasts looking to upgrade their vehicle's electronic control systems DIY tuners and professional installers seeking a reliable wiring solution Owners of Subaru BRZ, Scion FRS, or Toyota 86 models who want to add or upgrade boost control devices