Fitment Information Universal kit designed to replace your existing HKS BOV. requires vehicle specific adapter Emissions Compliance This Blow Off Valve currently does not have a CARB EO # and is not legal for sale in California or Other CARB States. Specs & Features Super SQV4 BOV Product Description 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. Redline360 sells only genuine and authentic HKS products.