GFB Respons T9000 is a diverter or blow-off valve for turbochargers, designed for Subaru vehicles. It features a sound adjustment system, allowing you to tailor the character of the air discharge when relieving boost pressure.
- Adjustable sound control system
- For Subaru applications
- Weight: 0.60 kg
Suitable for: Subaru Forester I (SF) / II (SG), Subaru Impreza I (GC/GF) / I (STI/VAB/VAF/VAG).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Subaru GT/XT Forester | — | 1998–2004 | — |
| Subaru WRX/STi | — | 1999–2000 | — |
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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