GFB Mach 2 T9135 is a recirculating diverter valve (diverter valve) designed for Subaru Impreza WRX/STi vehicles from 1997–1998. The valve redirects boost air back into the intake system.
Specifications
- Inlet: 35 mm
- Outlet: 30 mm
- Weight: 0.60 kg
Suitable for: Subaru Impreza I (GC/GF).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Subaru 30mm outlet – suits WRX/Sti | — | 1997–1998 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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