GFB Respons Dual Port Variable BOV
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GFB Respons Dual Port Variable BOV Blow Off Valve
GFB has been refining dual port blow off valve technology since pioneering the design back in 1999, and the Respons is the result of over two decades of development. Using GFB's patented venting bias adjustment system, it lets you dial in exactly how much air vents to atmosphere versus recirculates, giving you the sound you want without the stalling or fuelling issues that plague cheaper valves on sensitive MAF equipped cars like the Subaru WRX.
This listing covers the Subaru WRX (GE/GH) 2008-2014, Forester XT (SH) 2008-2013, and Liberty GT (BL/BP) 2004-2009. A direct bolt-on kit is included for factory fitment with no modifications required.
Key Features
- Patented venting bias adjustment - fully recirculating to full atmosphere venting
- Up to 30% faster boost recovery on gearshift using GFB's TMS principle
- Balanced piston design holds unlimited boost pressure without being forced open
- Direct bolt-on kit, fits factory location
- Designed to work reliably on MAF equipped engines
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your vehicle's year and 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 | EJ255 [VERIFY] |
| Subaru | Liberty GT | BL/BP | EJ20X/EJ20Y [VERIFY] |
| Subaru | WRX | GRB/GVB | EJ255 [VERIFY] |
Technical Specifications
| Spec | Value |
|---|---|
| Valve Type | Dual port, variable bias adjustable blow off valve (recirculation/atmosphere venting) |
| Piston Design | Balanced piston (boost pressure equalised on both sides to prevent forced opening) |
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