HKS achieved a wide range of controlling the pressure from low boost to high boost with our original 2 steps sequential valve structure and differential pressure control system.

Vented Blow-off Valve



Recirculated Blow-off Valve

■Features

• HKS SQV adopts “Pull-Type blow off valves” and this can control the relief of build up pressure. Also, it can be possible to improve engine response when the throttle is released.
• Having SUPER SQV IV can make an appeal to its presence with the unique high-frequency aggressive sound.
• SQV IV equipped at the position clearly seen in the engine room and greatly improves engine looks.
• This product includes the suction return kit and it can lower the sounds and also is environmentally friendly.

■Vented type: Blow-off Volume Level

	Revving (cabin)	Revving (outside)	Driving (cabin)	Driving (outside)
HKS SUPER SQV IV
Normal Blow Off Valve