Turbosmart - Subaru 15-21 WRX - BOV Smart Port (Black) subaru-ascent-2022 4-2-1 Isometric Design for Optimum

4-2-1 Isometric Design for Optimum Results at High-End RPM

a CFD-designed velocity stack leads to a unique airflow straightener grid designed to smooth the incoming airflow as it passes the Mass Air Flow sensor for precise readings

Wrap all of this up in some Heavy Duty DuPont™ Wrinkle Powder Coat and you have yourself an innovative package

The included COBB Thrust Tunnel is constructed of wrinkle-Silver powder-coated aluminum and attaches to the factory hood ducting to maximize airflow through the core

304 stainless steel tubing for maximum performance

Turbosmart - Subaru 15-21 WRX - BOV Smart Port (Black) subaru-ascent-2022 4-2-1 Isometric Design for OptimumType 5 Dual Port BOV made specifically for the 2015 WRX features the innovative new Smart Port drive by wire friendly staging technology that gives you the response of a plumb back valve, with the high performance benefits of a vent to atmosphere valve. The Smart Port system involves a new piston manufacturing process utilizing specialized alloys and coatings, along with a revolutionary new vent to atmosphere trumpet design. These new designs allow