GFB Hybrid Dual Port BOV
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GFB Hybrid Dual Port BOV Blow Off Valve
GFB's Hybrid pioneered dual port blow off valve technology, staging the recirculation and atmosphere vents so the valve breathes cleanly under boost without stalling the ECU. Built for the Subaru WRX, Forester XT, and Liberty GT, this reissue brings back the original design with fully adjustable venting bias for a tuneable blow off character.
This listing covers the Subaru WRX (GH/GR) 2008-2014, Forester XT (SH) 2008-2013, and Liberty GT (BL/BP) 2004-2009, using GFB's direct bolt-on fitment kit for each platform.
Key Features
- Staged dual port venting - recirc opens before the atmosphere port
- Adjustable from full recirc through to full atmosphere or a 50/50 blend
- Direct bolt-on kit, no cutting or permanent modification required
- Helps reduce compressor surge and MAF-related stalling on hard lifts
- Delivers the signature dual port blow off sound under acceleration
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your vehicle's year and engine configuration before ordering.
Not sure if this suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Subaru | Forester XT | SH | - |
| Subaru | Liberty GT | BL/BP | - |
| Subaru | WRX | GR/GH | - |
Technical Specifications
| Spec | Value |
|---|---|
| Venting Configuration | Adjustable — full recirculation, full atmospheric, or 50/50 dual port venting |
| Valve Type | Dual port (staged recirc/atmosphere outlets) |
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