GFB Respons T9035 is a diverter/blow-off valve for the turbocharger with an integrated exhaust sound adjustment system.
Supplier data states a version with a 30-millimetre outlet for the Subaru WRX/STI, model years 1997–1998.
- Type: diverter/blow-off valve
- Sound adjustment system
- 30-millimetre outlet
- 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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