Please note that The suction return kit is equipped standardly.

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.

1.High Quality Aluminum Die-Cast Body
Silver-coated aluminum die-cast body. Combines the ultimate in looks and durability in the engine compartment.

2.High Stiffness Metal Die-Cast Valve
Secondary valve main portion is made of die cast metal. Reliable operation with beautiful looking.

3.Triple Fin design produces "Super Sound"
Triple Fins set at the center of the funnel produces a dynamic and aggressive sound. An optional special Round Fin can be purchased separately for sound tuning.

Parts necessary for installation are included. SQV4 can be easily installed on a vehicle with this kit.

FEATURE
Installing this product creates unique sharp & high frequency SQV sound. The SQV IV unit is designed to be located beside the engine so the appurtenance of the engine bay is improved.
The suction-return parts are included (those are necessary to pass the Japanese Automobile Inspection.).
Any engine failure such as engine stall was not occurred during the in-house testing.