The Turbosmart plumb-back recirculating blow-off valve provides quiet, OEM-like operation while remaining street-legal, a good match for Subaru WRX and STI owners wanting stealthy recirculation. It offers straightforward installation and setup and is tuned for minimal audible discharge while preserving turbo response. Ideal for enthusiasts who prefer a hidden, recirculating solution that fits WRX/STI applications.
Turbosmart BOV Plumb Black Subaru -Blue