Turbosmart Dual Port Blow-Off Valve. This blow-off valve has been engineered to purge boost quickly between shifts so that your turbo can react as efficiently as possible while maintaining the spool on your 02-07 Subaru WRX, 04+ STI, or 06-08 Forester. It features premium construction using aerospace-grade materials to also provide the user with long-lasting performance that makes for an excellent upgrade over the OEM unit. Additionally, it will work well with the stock turbochargers, to aftermarket turbocharger upgrades.Â
DETAILS:
Staged and can be customized for a variety of different configurations
In the standard configuration, the ports are staged so that the bypass valve comes on first, and the atmospheric trumpet comes on afterward
You can convert the BOV to Supersonic Mode which is full atmospheric by installing the provided blanking plug into the recirculating port
You can convert the BOV to a full recirculating mode by undoing the trumpet and installing the provided blank in its place
You can convert the BOV to MegaSonic Mode by taking the extra trumpet and place it on the recirculating port for the loudest option
Blue finish
Billet aluminum construction
Includes a new BOV to TMIC flange gasket, hose, and hose fittings
