Turbosmart Dual Port Blow Off Valve Blue | 02-07 Subaru WRX / 04+ STI / 06-08 Forester XT

The Subaru WRX / STI Turbosmart Dual Port Blow-Off Valve is designed to quickly vent boost between shifts, allowing the turbo to respond more efficiently while preserving spool time. This blow-off valve is manufactured using aerospace-grade materials for durable, long-term performance, and ensures compatibility with both stock and aftermarket turbocharger upgrades. Blue finish Staged blow-off valve that can be customized for a variety of different configurations In the standard dual-port configuration, the ports are staged so that the bypass valve comes on first, and the atmospheric trumpet comes on afterward You can convert the dual-port to the supersonic configuration to achieve a full atmospheric function and using a provided blanking plug Billet aluminum construction Can be used as a purely recirculating function by converting the valve into a plumb-back function by using the provided blank to plug the trumpet Can be converted to Mega-Sonic by placing trumpets on both openings Comes with -22 to -10 InHg yellow spring pre-installed Also comes with a gasket, replacement oil breather hose as well as fittings making this blow-off valve ready for the installation Install Guide Installation Instructions