GFB Mach 2 Recirculating Plumb Back Blow Off Valve
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GFB Mach 2 Recirculating Plumb Back Blow Off Valve - Subaru WRX (VA) / Forester XT (SJ) / Levorg (VM)
GFB's Mach 2 uses proven TMS technology to bring your factory diverter valve up to speed, restoring boost up to 30% faster on gear shifts than the standard unit. Fitted to the Subaru WRX, Forester XT and Levorg, it's a genuine bolt-on replacement that improves throttle response and boost holding without any cutting, adaptors or tuning changes required.
This listing covers the Subaru WRX VA (2015-2021), Forester XT SJ (2013-2018) and Levorg VM (2014-2021). SKU T9107 is configured as a 100% recirculating (plumb back) valve, keeping factory quiet operation while improving performance. Atmosphere venting conversion kits are sold separately if you want an audible blow off sound.
Key Features
- TMS technology for faster boost recovery between gear shifts
- 100% recirculating plumb back design for OEM-like quiet operation
- Direct bolt-on replacement for the factory bypass valve
- No adaptors, cutting or vehicle modification required
- Effectively unlimited boost holding capacity
- Compatible with optional atmosphere venting conversion kits
Vehicle compatibility, OEM part numbers and fitment notes are provided in the tabs above. Please confirm your vehicle's year and model 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 | SJ | - |
| Subaru | Levorg | VM | - |
| Subaru | WRX | VA | - |
Technical Specifications
| Spec | Value |
|---|---|
| Valve Type | Recirculating plumb back (bypass) blow off valve |
| Technology | GFB TMS Technology |
| Boost Recovery Improvement | Up to 30% faster than a factory diverter valve when shifting gears |
| Venting Configuration | 100% recirculating (factory replacement); atmosphere venting conversion kits available separately |
| Vehicle Fitment | 2015-2021 Subaru WRX (VA); 2013-2018 Subaru Forester XT (SJ); 2014-2021 Subaru Levorg (VM) |
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