Product Description
The Garrett 914956-0004 GVB-50A 50MM Vent-To-Atmosphere (VTA) Blow Off Valve in Silver is engineered for high-performance turbocharged applications requiring fast response, superior boost control, and aggressive sound. Designed by Garrett—an industry leader in turbocharging technology—this BOV ensures optimal compressor protection by quickly venting excess boost pressure during throttle lift.
The 50mm valve design supports high horsepower builds, making it ideal for performance enthusiasts running upgraded turbo systems. Its precision-machined aluminum construction and high-temperature diaphragm ensure durability under extreme conditions while maintaining consistent performance.
This VTA (vent-to-atmosphere) configuration delivers the signature aggressive blow-off sound while improving turbo longevity and throttle response.
Key Features:
- 50mm valve for high-flow, high-horsepower applications
- Vent-to-atmosphere (VTA) design for maximum pressure relief
- Precision-machined billet aluminum construction
- High-temperature resistant diaphragm for durability
- Improves turbocharger longevity and response
- Signature aggressive blow-off sound
- Finished in high-quality silver coating
Fitment:
- Universal – Custom installation required
- Compatible with most turbocharged gasoline and diesel applications
- Ideal for high-performance and aftermarket turbo setups
FAQ
What does a blow off valve do?
A blow off valve releases excess boost pressure when the throttle closes, preventing compressor surge and protecting the turbocharger.
What is VTA (Vent to Atmosphere)?
VTA means the valve vents air directly into the atmosphere instead of recirculating it, producing a louder and more aggressive sound.
Is this suitable for daily driving?
Yes, but VTA valves may trigger check engine lights on some MAF-based systems without proper tuning.
Do I need tuning to run this BOV?
Some vehicles may require tuning for optimal performance, especially those with sensitive airflow sensors.
Can this be used on diesel applications?
Yes, it can be used on certain diesel turbo setups, though it is more commonly used on gasoline performance vehicles.
Specifications for Garrett 914956-0004
| Specification | Details |
|---|---|
| Part Number | 914956-0004 |
| Model | GVB-50A |
| Brand | Garrett |
| Valve Size | 50mm |
| Type | Vent to Atmosphere (VTA) |
| Finish | Silver |
| Material | Billet Aluminum |
| UPC | N/A |
| GTIN | N/A |
| Shipping Weight | Approximately 2 lbs |
| Shipping Dimensions | 6" x 6" x 6" |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer and reproductive harm. |