HKS SSQV4 Blow Off Valve Kit with Return Kit

2008–2014 Subaru Impreza WRX 2.0L Turbo

Part #: 71008-AF012V

Overview

The HKS SSQV4 Blow Off Valve Kit with Return Kit is a high-performance upgrade designed specifically for Subaru Impreza WRX models from 2008 to 2014. Engineered to enhance your vehicle's turbocharged system, this kit offers improved boost control, quicker response, and a distinctive sound that enthusiasts love. Whether you're a daily driver seeking reliable performance or a spirited driver looking to optimize your turbo setup, the SSQV4 provides a seamless upgrade that combines durability with excellent functionality.

Designed with precision and quality in mind, this blow-off valve kit helps support increased boost levels and maintains consistent pressure release, reducing compressor surge and protecting your turbocharger. Its robust construction ensures long-lasting performance under demanding driving conditions, making it an ideal choice for both street and performance applications.

Key Features

The HKS SSQV4 features several innovative design elements that set it apart from standard blow-off valves:

• Nickel-plated, die-cast metal secondary valve enhances durability and corrosion resistance, ensuring reliable operation over time.
• Swaged secondary valve seamlessly integrates with the primary valve, providing a secure seal and consistent venting performance.
• Stainless steel C-clip and spring assembly improve sealing integrity and durability, even under high boost pressures.
• Designed for quick response and precise boost control, reducing lag and compressor surge during shifts or throttle changes.
• Distinctive, aggressive sound that enhances the turbocharged experience without excessive noise.
• Includes a return kit for optimal boost management and compatibility with your vehicle's existing vacuum and boost lines.
• Universal fitment with application-specific options for Subaru Impreza WRX (2008–2014), ensuring a perfect fit and straightforward installation.

Construction & Design

The HKS SSQV4 Blow Off Valve Kit is constructed from high-quality materials to withstand the rigors of performance driving. The secondary valve is nickel-plated and die-cast, providing excellent corrosion resistance and a premium finish. The main valve features a stainless steel C-clip and spring, which contribute to a secure seal and consistent venting. The design incorporates a compact, lightweight body with a sleek appearance that complements the engine bay aesthetic. The kit's components are engineered for easy installation, with precise fitment and minimal modification required. Overall, the SSQV4 combines durability, performance, and style in a compact package that enhances your turbocharged Subaru's responsiveness and sound.

Installation & Fitment

The SSQV4 kit is a bolt-on upgrade that requires no cutting or drilling. It is designed to replace the factory blow-off valve with a direct fitment, utilizing existing mounting points and vacuum lines. The installation process is straightforward and can typically be completed with basic hand tools. For optimal performance, ensure proper vacuum line routing and check for leaks after installation. No tuning is generally required, making this an accessible upgrade for enthusiasts and professionals alike.

• Easy, bolt-on installation with no cutting or drilling required
• Includes all necessary hardware and return kit components
• Compatible with stock or upgraded turbo systems on Subaru Impreza WRX (2008–2014)

What's Included

• HKS SSQV4 Blow Off Valve
• Return Kit with necessary hoses and fittings
• Mounting hardware and clamps
• Installation instructions

Ideal For

• Subaru Impreza WRX owners seeking improved boost response and sound
• Performance enthusiasts looking for a durable, reliable blow-off valve upgrade
• Drivers wanting to support increased boost levels safely
• Anyone aiming to enhance the turbocharged driving experience with a high-quality component