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GFB VTA Whistling Trumpet Blow Off Valve - Fiat/Alfa Romeo 1.4L/2.0L MultiAir Turbo
The GFB T9416 VTA (Vent To Atmosphere) delivers an audible blow off valve sound for Fiat and Alfa Romeo MultiAir turbo applications. Featuring a removable whistling trumpet, this valve lets you choose between a classic whoosh or a distinctive whistle while retaining factory-like low profile fitment.
Key Features
- Vent to atmosphere design for an audible blow off sound
- Removable whistling trumpet for a distinctive sound
- Low profile integrated solenoid design for clean fitment
- Spring pre-load adjustment to fine tune venting behavior
Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 2007-2018 | Abarth | 500 | Abarth |
| 2016-2018 | Fiat | 124 Spider | Abarth |
| 2015-2018 | Alfa Romeo | Giulia | 2.0 MultiAir |
| 2010-2020 | Alfa Romeo | Giulietta | 1.4TB MultiAir |
| 2016-2018 | Alfa Romeo | Stelvio | 2.0 MultiAir |
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | T9416 |
| Valve type | Vent to atmosphere (VTA) |
| Trumpet | Removable whistling trumpet included |
What's Included
- 1x GFB VTA blow off valve with whistling trumpet
- Mounting screws
About GFB
Go Fast Bits (GFB) designs and manufactures turbo tuning products including blow off valves, diverter valves, and boost control components engineered for reliable performance across automotive turbocharged applications.
Frequently Asked Questions
Does this valve vent to atmosphere or recirculate?
This valve vents to atmosphere, producing an audible blow off sound.
Can I remove the whistling trumpet?
Yes. The whistling trumpet is removable, allowing you to choose between a classic whoosh or a whistling sound.
Will this valve affect my factory tune?
Venting to atmosphere can affect airflow readings on some mass airflow sensor equipped vehicles. Confirm compatibility with your specific engine management setup.
Is spring pre-load adjustable?
Yes. This valve includes spring pre-load adjustment to fine tune venting behavior.
Is professional installation recommended?
Professional installation is recommended to ensure proper fitment and boost sealing.
Does this valve retain the factory solenoid?
No. This valve uses its own low profile integrated solenoid design.
Is this valve legal for street use?
Regulations on vent to atmosphere valves vary by region. Confirm local regulations before installing this valve on a street driven vehicle.
Does this valve include a warranty?
This valve is backed by a GFB manufacturer warranty. Confirm current warranty terms with GFB.
Installation Instructions
- Locate the factory diverter valve, typically mounted near the turbo compressor.
- Disconnect the electrical connector and remove the factory valve mounting bolts.
- Remove the factory diverter valve assembly.
- Install the GFB VTA valve using the supplied mounting screws, orienting the trumpet as desired.
- Reconnect the electrical connector and check for boost leaks before normal operation.
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