GFB Mach 2 Recirculating Plumb Back BOV
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GFB Mach 2 Recirculating Plumb Back BOV - Nissan Skyline (R32/R33/R34) / Stagea (WC34) / Mazda 3 MPS (BK/BL) / 6 MPS (GG) / CX7
GFB built the Mach 2 around its proven TMS technology, giving you dependable boost holding and sharper throttle response without the drama of a factory diverter valve. It's a genuine bolt-on upgrade for the Nissan Skyline and Mazda MPS/CX7 platforms, restoring peak boost up to 30% faster on gear changes with no extra adaptors or mods required.
This listing covers the Nissan Skyline R32 GTS-T/GTS-4, R33 GTS-T and R34 GT-T, the Nissan Stagea WC34 RS/RS-Four, plus the Mazda 3 MPS BK and BL, Mazda 6 MPS GG and Mazda CX7. SKU T9102 is the recirculating (plumb back) configuration for direct factory replacement.
Key Features
- GFB TMS technology for faster boost recovery between gear changes
- 100% recirculating (plumb back) design for OEM-style quiet operation
- Direct bolt-on replacement — no additional adaptors or vehicle modification needed
- Effectively unlimited boost holding capacity
- Compatible with optional Atmosphere Conversion Kit for venting sound
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your vehicle's year and trim 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 |
|---|---|---|---|
| Mazda | 3 MPS | BK | - |
| Mazda | 3 MPS | BL | - |
| Mazda | 6 MPS | GG | - |
| Mazda | CX-7 | - | - |
| Nissan | Skyline GTS-T/GTS-4 | R32 | - |
| Nissan | Skyline GTS-T | R33 | - |
| Nissan | Skyline GT-T | R34 | - |
| Nissan | Stagea RS/RS-Four | WC34 | - |
Technical Specifications
| Spec | Value |
|---|---|
| Valve Type | Recirculating (plumb back / bypass) |
| Technology | TMS (Turbo Management System) |
| Boost Holding Capacity | Effectively unlimited (per GFB, no turbo can generate enough pressure to open the valve unintentionally) |
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