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Kthnxbye Racing

HKS Super SQV4 Blow Off Valve Kit - Subaru WRX 2015+

HKS Super SQV4 Blow Off Valve Kit - Subaru WRX 2015+

Regular price $350.00
Regular price Sale price $350.00
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2015-2021 Subaru WRX Super SQV4 Blow Off Valve & Suction Return Kit by HKS

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.

Installing this product creates unique sharp & high frequency SQV sound. The SQV4 unit is designed to be located beside the engine, so the appearanceĀ of the engine bay is enhanced.


  • High Quality Aluminum Die-Cast Body
  • High Stiffness Metal Die-Cast Valve
  • Triple Fin design produces "Super Sound"
  • Pull-Type Relief Valve Operation
  • Dual Valve Structure, Sequential System
  • Includes Suction Return Parts
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