HKS Super SQV4 Black Edition is a sequential pull-type blow-off valve for the Subaru WRX / STI GDB chassis with the EJ205, EJ255 or EJ257 turbo engine. The Black Edition wears a black anodized finish and bolts onto the factory intake plumbing with the model-specific fitment. The two-stage piston delivers a sharp release and quick recovery and is switchable between atmospheric and recirculating venting.
| Type | Sequential blow-off valve (Super SQV4 Black Edition) |
| Fitment | Subaru WRX / STI GDB - EJ205 / EJ255 / EJ257 |
| Color | Black Edition |
| Venting | Switchable atmospheric or recirculating |
| Includes | SQV4 valve and model-specific fitment |
| Part Number | 71008-KF006B |
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