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SKU: T9404 | UPC: 9328022000237
GFB Whistling Trumpet VTA T9404 for 2013-2018 Ford Focus ST 2.0L EcoBoost and 2014-2019 Ford Fiesta ST 1.6L EcoBoost
The GFB Whistling Trumpet VTA T9404 is a direct replacement vent-to-atmosphere blow-off valve for Ford EcoBoost engines in Focus ST and Fiesta ST models. This piston-style valve delivers rapid boost pressure release for sharper throttle response and a loud whistling sound on every gear shift. Drivers gain improved turbo spool and reliable performance under high boost.
Key Features
- Direct OEM Replacement: Bolts directly into factory location using stock hardware for plug-and-play installation on Ford EcoBoost turbo systems
- Signature Whistling Sound: Patented trumpet outlet produces a high-pitched whistle during vent-to-atmosphere dumps for unmistakable turbo feedback
- High-Flow Piston Design: Flows over 200% more air than OEM diverter valve to prevent boost surge and support up to 30 psi
- Adjustable Spring Preload: Includes multiple spring options to fine-tune operation for stock or modified boost levels
- Billet 6061-T6 Aluminum Construction: CNC-machined body withstands extreme heat and pressure for long-term durability
Product Notes
- Vent-to-atmosphere operation requires no recirculation hose modifications
- Compatible with stock intake and intercooler setups
- Small package size allows easy storage and shipping
Installation Notes
- Professional installation recommended.
- Complete install takes 20-30 minutes with basic hand tools
- Retains all OEM mounting brackets and electrical connectors
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2018 | Ford | Focus | ST 2.0L EcoBoost |
| 2014-2019 | Ford | Fiesta | ST 1.6L EcoBoost |
Why Choose GFB?
- Australian engineering leader in turbo blow-off valves since 1993
- Field-tested designs proven on street and track worldwide
- Precision CNC manufacturing ensures perfect fit and function
Frequently Asked Questions
-
Q: Will T9404 fit my 2015 Ford Focus ST?
A: Yes it directly replaces the OEM diverter valve on all 2013-2018 Focus ST 2.0L EcoBoost models -
Q: What material is the Whistling Trumpet made from?
A: Hard-anodized billet 6061-T6 aluminum housing with reinforced piston and trumpet outlet for heat resistance -
Q: What warranty covers this valve?
A: GFB provides a limited lifetime warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 7 x 5 x 3 inches
- Weight: 1.1 lbs
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