Description
HKS SSQV4 Blow Off Valve (Black Edition) - 2002-2007 Subaru WRX/STI / 2004-2008 Forester 2.5XT
Product Overview: HKS SSQV4 Blow Off Valve (Black Edition) - 2002-2007 Subaru WRX/STI / 2004-2008 Forester 2.5XT 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: 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. Factory recirculation valve sound cannot be noticed, but once HKS Super SQVIV is installed, its unique & sharp high frequency sound demonstrates its existence. Super SQVIV significantly increases its presence and improve the engine compartment appearance. To match with the appearance created by HKS Intercooler Piping Kit, the buffpolished casting pipe is included. By both the sound and appearance, Super SQVIV increases the fun to drive. HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve struct
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.