GFB Hybrid Dual Port BOV – Subaru WRX/STI (GDB/GRB/VAB) Forester XT (SG)

GFB Hybrid Dual Port BOV – Subaru WRX/STI (GDB/GRB/VAB) Forester XT (SG)

Application: Subaru WRX/STI (GDB/GRB/VAB) Forester XT (SG)
Part Type: Hybrid Dual Port BOV

GFB pioneered the world's first dual port blow off valve back in 1998, and the Hybrid is the valve that started it all. Built for the Subaru WRX and STI, it staggers the recirculation and atmosphere vents so you get a clean, stall free response even on MAF equipped cars, without giving up that signature blow off sound.

This listing covers the WRX (GD) 2001-2007, STI (GD) 2001-2007, STI (GRB/GVB) 2008-2014, STI (VA) 2015-2021, and Forester XT (SG) 2006-2008. Venting can be configured for full recirculation, full atmosphere, or a 50/50 blend to suit your setup.

Important: this valve suits the triangle flange BOV port only. If your vehicle uses the diamond flange, you'll need the GFB T9500 instead — check your factory BOV before ordering.

Key Features

• Dual port staged venting design
• Adjustable full recirc, full atmo, or 50/50 bias
• Reduces stalling and backfire on MAF sensor equipped cars
• Direct bolt-on fitment for triangle flange applications

Vehicle Fitment

• Subaru WRX/STI (GDB/GRB/VAB) Forester XT (SG)

Please ensure your vehicle's year and BOV flange type are confirmed before ordering.