The GFB VTA is a vent-to-atmosphere blow off valve that delivers the signature turbo blow-off sound on the 2014-2021 VW GTI Mk7/Mk7.5 and 2014-2020 Audi S3 8V. It is engineered specifically for this application and retains the factory solenoid and ECU control, installing as a direct replacement for the OEM diverter valve.
| Type | VTA blow off valve |
| Operation | Vent-to-atmosphere |
| Fitment | 2014-2021 VW GTI Mk7/Mk7.5 / 2014-2020 Audi S3 8V |
| Solenoid | Retains factory solenoid and ECU control |
| Part Number | T9401 |
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