What is a Vent-to-Atmosphere (VTA) blow-off valve?

A Vent-to-Atmosphere (VTA) blow-off valve releases excess boost pressure from your turbocharged engine directly into the air. This helps protect the turbo from damage when you let off the throttle and creates a distinct sound.

Why is this valve not CARB approved?

This specific blow-off valve is not approved by the California Air Resources Board (CARB). This means it cannot be legally installed on a vehicle registered in California due to emissions regulations.

What is the benefit of a 50mm valve?

A larger valve size, like the 50mm diaphragm on this unit, generally allows for quicker and more efficient release of boost pressure. This can contribute to better throttle response and help protect the turbocharger.

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Specifications

Brand: Garrett
Part #: 914956-0002

Garrett GVB-50A 50mm VTA BOV - Blue

Name: Garrett GVB-50A 50mm VTA BOV - Blue
Brand: Garrett
SKU: garrett-garrett-gvb-50a-50mm-vta-bov-blue-t14-714102
Price: 392.19 USD
Availability: BackOrder

$392.19

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

Garrett GVB-50A 50mm VTA Blow-Off Valve.
Durable aluminum construction.
50mm diaphragm for responsive operation.
Vent-to-Atmosphere (VTA) design.
Blue finish.
Not CARB approved; cannot ship to California.

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About this part

Product Details

Garrett is well-known for their turbochargers and performance parts. This GVB-50A is a 50mm Vent-to-Atmosphere (VTA) blow-off valve, designed to release excess boost pressure from your turbocharged engine. Releasing this pressure helps protect your turbocharger from damage and can improve throttle response after lifting off the gas pedal.

This VTA blow-off valve is built with a durable aluminum body and features a 50mm diaphragm for quick and responsive operation. The blue finish adds a custom look under the hood. It's designed to fit a variety of turbocharged applications, releasing excess boost directly into the atmosphere, which creates the characteristic 'pssh' sound many enthusiasts enjoy. Please note that this valve is not CARB approved and cannot be shipped to California.