HKS Blow Off Valve

Universal Fitment

Part #: 71008-AF015

Overview

The HKS SSQV4 Blow Off Valve with Recirculation Kit is a high-performance upgrade designed for turbocharged Subaru WRX models equipped with the FA20 engine from 2015 to 2021. This kit features the latest iteration of HKS's renowned Super SQV series, offering a combination of advanced technology, durability, and aesthetic appeal. Crafted from die-cast aluminum, the SSQV4 provides a lightweight yet robust construction that withstands the rigors of high-performance driving. Its dual valve design ensures precise venting and recirculation, helping to maintain optimal boost control and reduce compressor surge. This system is ideal for enthusiasts seeking to enhance their vehicle's response, sound, and overall turbo system performance while adding a distinctive engine bay presence. Designed for those who want a reliable, consistent, and visually striking blow-off valve, this kit supports improved throttle response and helps manage excess pressure efficiently. The included piping allows for a seamless bolt-on installation, integrating smoothly with the OEM recirculation system to ensure factory-like operation and drivability. Whether you're upgrading for performance, aesthetics, or both, this product offers a practical solution for your turbocharged Subaru WRX.

Key Features

This HKS SSQV4 Blow Off Valve kit combines innovative design with practical benefits to enhance your vehicle's turbo system. Key features include:

• Constructed from durable die-cast aluminum for lightweight strength and corrosion resistance
• Dual valve design for precise venting and recirculation, supporting consistent boost control
• Includes all necessary piping for a straightforward bolt-on installation
• Engine bay flare with a sleek, aggressive appearance
• Designed specifically for the FA20 turbo engine in Subaru WRX models (2015-2021)
• Helps improve throttle response and reduce compressor surge during shifts
• Supports reliable, long-lasting performance under high boost conditions

Construction & Design

The SSQV4 features a die-cast aluminum body that combines strength with lightweight performance. Its dual valve configuration is engineered for precise venting, ensuring consistent operation and minimal pressure fluctuations. The piping included in the kit is designed to match OEM specifications, facilitating a seamless fit and finish in the engine bay. The overall design emphasizes durability, heat resistance, and aesthetic appeal, making it a functional yet stylish upgrade.

Driving Feel & Feedback

This blow-off valve enhances the turbocharged driving experience by providing a crisp, audible release that signals efficient boost management. The dual valve system ensures smooth venting, which contributes to a more responsive throttle feel and reduces unwanted compressor surge, resulting in a more confident and engaging driving experience.

Installation & Fitment

The kit is designed for straightforward bolt-on installation, compatible with the OEM recirculation system on Subaru WRX models from 2015 to 2021. Proper fitment should be verified against the vehicle's specifications and the part number provided.

What’s Included

The package includes the SSQV4 blow-off valve, recirculation piping, and all necessary hardware for installation.