HKS Super SQV4 Blow Off Valve - BlackPurpose built for the FL5 Civic Type R, this blow off valve system delivers sharp throttle response, smooth boost control, and a clean, powerful sound throughout the rev range. Its relief less design optimizes pressure management for both aggressive driving and everyday use, maintaining consistent performance in all conditions. Compact yet eye catching, it elevates the look of your engine bay with a true motorsport feel. Whether you're pushing limits