Description
HKS SSQV4 Blow Off Valve with Recirculation Kit - 2008-2021 Subaru WRX
Product Overview: HKS SSQV4 Blow Off Valve with Recirculation Kit - 2008-2021 Subaru WRX is a forced-induction pressure-control component designed to manage excess charge pressure when the throttle closes. This listing is structured around the exact HKS product/SKU so shoppers can match the component to the intended vehicle or build without relying on a generic product-family description.
Driver Benefit: Proper pressure relief can improve transient behavior and help protect the compressor from repeated surge events during shifts and throttle lift.
Recommended Use: Best suited to turbocharged performance applications where the charge system is being upgraded or tuned for higher boost and sharper response.
Technical & Fitment Notes
- Use the HKS part number/SKU as the primary reference when confirming exact configuration and installation requirements.
- Professional installation is recommended when the component affects engine operation, suspension geometry, braking, fuel delivery, or other safety-critical systems.
- Original catalog note: Note: INCLUDES Recirculation Kit Features: - A Special color edition for the HKS Super SQV (Sequential Blow Off Valve) that ensures the stable actuation by adopting HKS' own sequential valve structure and pull-type relief design. - The body and upper part applied with semi-gloss black paint and the funnel painted with wrinkle black paint. Applying these colors giving off quality and a tranquil atmosphere. HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Its Pull-Type relief design ensures stable operation regardless of the amount of boost pressure. The Super SQV will support new generations of turbocharged vehicles. Dual Valve Structure, Sequential System At low boost ranges the Primary Valve opens, and at high boost ranges the Secondary Val
Fitment and specifications can vary by HKS part number, model year, trim, transmission, drivetrain, and market. Confirm the SKU and application before ordering, particularly on modified vehicles.