HKS SUPER SQV4 FL5

HKS SUPER SQV4 FL5 – Premium Blow-Off Valve for Honda FL5 Civic

The HKS SUPER SQV4 delivers sequential venting technology designed to maximize boost response and reduce turbo lag on your FL5 Civic. This fourth-generation blow-off valve features dual-stage operation for smooth, controlled pressure relief during gear changes and throttle transitions.

Built for serious tuners, the SQV4 improves mid-range acceleration and maintains consistent boost delivery across the RPM band. Direct bolt-on fit for FL5 models eliminates fitment guesswork. Adjust venting characteristics to match your tuning setup and driving style.

HKS quality engineering ensures reliable performance on stock and modified engines alike.