| Year | Make | Model |
|---|---|---|
| 1997 - 2013 | Subaru | Forester |
| 2003 - 2014 | Subaru | Impreza |
| 2008 - 2014 | Subaru | Impreza WRX STI GR Sedan |
HKS SSQV4 Black BOV | Subaru WRX/WRX STI/Forester 02-08 (71008-KF006B)
HKS SSQV4 Black BOV | Subaru WRX/WRX STI/Forester 02-08 (71008-KF006B)
SKU:71008-KF006B
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The HKS SSQV4 Black Edition Blow Off Valve is a high-performance, sequential blow-off valve designed specifically for turbocharged Subaru vehicles, including the Impreza WRX, WRX STI, and Forester 2.5 XT models from 2002 to 2007. Constructed with a durable black finish and featuring an advanced differential pressure management system, this BOV enhances response and sound characteristics during boost release. Its innovative sequential valve design ensures consistent operation across a broad range of boost pressures, providing improved throttle response and a more aggressive turbo sound. Built for enthusiasts seeking both performance and durability, the SSQV4 Black Edition offers precise control and reliable operation under demanding conditions.
This blow-off valve is a direct replacement for Subaru models from 2002 to 2008, making it suitable for both street and performance applications. It is designed for easy bolt-on installation, fitting the specified Subaru turbocharged engines without requiring additional modifications. The kit includes the necessary mounting components and hardware for straightforward setup. Ideal for daily driving, tuning, or track use, this BOV enhances turbo response and sound, contributing to a more engaging driving experience. Compatibility is limited to the listed Subaru models and engine configurations, ensuring optimal performance and fitment.
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Overview
Overview
HKS SSQV4 Black Edition Blow Off Valve
2002–2007 Subaru Impreza WRX / WRX STI / Forester 2.5 XT
Part #: 71008-KF006B
Overview
The HKS SSQV4 Black Edition Blow Off Valve is a high-performance, sequential blow-off valve designed to enhance the response and sound of turbocharged Subaru vehicles. Built with a distinctive sequential valve design and advanced differential pressure management, this BOV ensures consistent operation across a wide range of boost pressures. Whether you're a daily driver, a spirited enthusiast, or a competitor, the SSQV4 Black Edition offers reliable boost control and an aggressive sound that complements your turbocharged setup.
Engineered for Subaru WRX, STI, and Forester models from 2002 to 2008, this blow-off valve supports high boost applications while maintaining steady operation thanks to its pull-type relief mechanism. Its sleek black finish adds a sporty aesthetic to your engine bay, making it a perfect upgrade for those seeking both performance and style.
Key Features
The HKS SSQV4 Black Edition features a number of technical innovations and design elements that set it apart:
- Sequential valve design allows for precise and rapid venting of excess pressure, reducing compressor surge and improving throttle response.
- Differential pressure management mechanism ensures stable operation across various boost levels, from low to high boost applications.
- Pull-type relief valve provides a steady and consistent venting operation, minimizing noise fluctuations and ensuring durability under demanding conditions.
- Constructed with high-quality materials and a durable black anodized finish, the BOV resists heat and corrosion, maintaining performance over time.
- Supports a wide working range, making it suitable for stock or upgraded turbo systems.
- Designed for easy installation with OEM mounting compatibility, requiring no complex modifications.
- Offers an aggressive, sporty sound that enhances the turbocharged driving experience without excessive noise.
- Supports new generations of turbocharged vehicles, ensuring compatibility with evolving engine technologies.
Construction & Design
The HKS SSQV4 Black Edition Blow Off Valve is built with a focus on durability and performance. Its housing is crafted from high-strength aluminum with a black anodized finish, providing excellent heat resistance and corrosion protection. The internal components are precision-machined to ensure a perfect seal and reliable operation under high boost conditions. The sequential valve mechanism is engineered for rapid venting, reducing compressor surge and maintaining optimal turbocharger performance. Its compact, lightweight design allows for seamless integration into your vehicle's engine bay, while the robust construction ensures long-lasting service life even under aggressive driving conditions.
Installation & Fitment
The HKS SSQV4 Black Edition Blow Off Valve is a bolt-on upgrade that installs directly onto the factory turbo inlet or intercooler piping. It uses OEM mounting points and requires no cutting or drilling. The installation process is straightforward and can typically be completed with basic hand tools. No tuning or additional modifications are necessary, making it an accessible upgrade for enthusiasts of all skill levels.
- Easy, bolt-on installation with OEM mounting compatibility
- No cutting, drilling, or tuning required
- Designed specifically for Subaru WRX, STI, and Forester models from 2002 to 2008
What's Included
- HKS SSQV4 Black Edition Blow Off Valve
- Mounting hardware and clamps
- Installation instructions
Ideal For
- Subaru WRX, STI, and Forester owners seeking improved boost response and sound
- Enthusiasts upgrading their turbocharged systems for better performance and reliability
- Drivers who want a durable, high-quality blow-off valve with a sporty appearance