HKS Super SQV4 Blow Off Valve - 2008-2014 Subaru WRX
HKS Super SQV4 Blow Off Valve - 2008-2014 Subaru WRX
HKS
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PRODUCT DETAILS
HKS Super SQV4 Blow Off Valve: A Sonic Legend Unleashed
Embark on a journey of sonic excellence with the HKS SQ4 Sequential BOV. This blow-off valve stands as the grandfather of its kind, delivering a flagship sound that continues to reign supreme as one of the most effective and iconic blow-off valves in the aftermarket. As you explore the realm of turbocharged performance, the HKS Super SQV4 beckons with its distinctive auditory signature, symbolizing a legacy of unmatched quality and performance.
DETAILS:
- Pull-type sequential valve structure
- New differential pressure control system allows for stable operating ranges from low to high-boost pressures
- Includes vacuum line filter
- Includes circlip, T-fittings, and zip ties
- Includes hose and clamps
- Includes factory-like flange to bolt onto the intercooler
RallySport Direct proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of their products have been utilized on world-class race cars of all makes and genres. Today, HKS continues to engineer high-performance engine components to improve the power and the performance of your vehicle.
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
HKS Super SQV4 Blow Off Valve: A Sonic Legend Unleashed
Embark on a journey of sonic excellence with the HKS SQ4 Sequential BOV. This blow-off valve stands as the grandfather of its kind, delivering a flagship sound that continues to reign supreme as one of the most effective and iconic blow-off valves in the aftermarket. As you explore the realm of turbocharged performance, the HKS Super SQV4 beckons with its distinctive auditory signature, symbolizing a legacy of unmatched quality and performance.
DETAILS:
- Pull-type sequential valve structure
- New differential pressure control system allows for stable operating ranges from low to high-boost pressures
- Includes vacuum line filter
- Includes circlip, T-fittings, and zip ties
- Includes hose and clamps
- Includes factory-like flange to bolt onto the intercooler
RallySport Direct proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of their products have been utilized on world-class race cars of all makes and genres. Today, HKS continues to engineer high-performance engine components to improve the power and the performance of your vehicle.
