What is the main purpose of a blow-off valve?

A blow-off valve, also known as a bypass valve, releases excess boost pressure from the intake system when you lift off the throttle. This protects the turbocharger from damage caused by compressor surge and helps maintain boost pressure for quicker response.

What does 'Vented-to-Atmosphere' (VTA) mean for this valve?

VTA means the valve releases the excess boost pressure directly into the atmosphere, rather than recirculating it back into the intake system. This is what creates the audible 'pssh' sound associated with many aftermarket blow-off valves.

What is the benefit of the 50mm valve size?

A larger valve size like 50mm generally allows for higher airflow, which is beneficial for managing boost pressure effectively on a wider range of turbocharged engines, especially those with higher boost levels.

Garrett GVB-50A 50mm VTA BOV - Red | 914956-0001

Name: Garrett GVB-50A 50mm VTA BOV - Red
Brand: Garrett
SKU: garrett-garrett-gvb-50a-50mm-vta-bov-red-t14-714101
Price: 392.19 USD
Availability: InStock

Garrett GVB-50A 50mm VTA BOV - Red

$392.19

Only 2 left in stock

Garrett GVB-50A 50mm VTA BOV - Red. This blow-off valve helps protect your turbo by releasing excess boost pressure.

Key Features

This is a Garrett GVB-50A 50mm Vented-to-Atmosphere (VTA) Blow-Off Valve.
The VTA design releases excess boost pressure to the atmosphere, helping protect the turbocharger.
Features a vibrant red finish for engine bay aesthetics.
Constructed with a durable aluminum body and a reliable diaphragm.
The 50mm valve size is suitable for many turbocharged applications.
Helps prevent compressor surge when the throttle is closed.

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Product Details

If you're running a turbocharged engine and want to protect your turbocharger from over-pressurization, a blow-off valve is a key component. This Garrett GVB-50A is a 50mm Vented-to-Atmosphere (VTA) blow-off valve designed to release excess boost pressure when you lift off the throttle, preventing compressor surge and extending the life of your turbo. The VTA design means the released air is vented directly into the atmosphere, which can create the characteristic 'pssh' sound many enthusiasts enjoy.

This particular GVB-50A features a striking red finish, adding a touch of visual flair to your engine bay. It's built with a well-made aluminum body and a robust diaphragm to ensure reliable operation under boost. The 50mm valve size is suitable for a wide range of turbocharged applications, offering good airflow to manage boost effectively. Installation typically involves tapping into a boost source and connecting the vacuum line to your intake manifold or a dedicated boost controller.

While this valve is designed for performance and protection, please note that it is not CARB approved and cannot be shipped to California. Always consult your vehicle's service manual or a qualified mechanic for specific installation procedures and compatibility details for your setup.