What does a wastegate do?

A wastegate controls the maximum boost pressure your turbocharger can produce. It diverts exhaust gas away from the turbine wheel once a set pressure is reached, preventing the turbo from spinning too fast and creating excessive boost.

Can I change the boost pressure spring?

Yes, the MVR wastegate is designed to allow for spring changes. You can swap out the included .9 Bar spring for different rated springs to adjust the boost pressure threshold.

Why is this wastegate not CARB approved?

CARB (California Air Resources Board) approval signifies that a part meets specific emissions standards for use in California. This wastegate has not undergone that certification process and therefore cannot be legally installed on vehicles registered in California.

TiAL Sport 44mm Wastegate .9 Bar Purple MVR.9P

Name: TiAL Sport MVR Wastegate 44mm .9 Bar (13.05 PSI) - Purple (MVR.9P)
Brand: TiALSport
SKU: tialsport-tial-sport-mvr-wastegate-44mm-9-bar-13-05-psi-purple-mvr-9p-t14-586032
Price: 455.32 USD
Availability: BackOrder

TiAL Sport MVR Wastegate 44mm .9 Bar (13.05 PSI) - Purple (MVR.9P)

$455.32

On Backorder

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

TiAL Sport MVR Wastegate 44mm .9 Bar (13.05 PSI) - Purple (MVR.9P)

Key Features

Fits custom turbocharger applications.
44mm wastegate size.
Includes a .9 Bar (13.05 PSI) spring for boost control.
Purple finish for a unique look.
Durable construction for reliable performance.
Not CARB approved; cannot ship to California.

This wastegate is designed for custom turbocharger applications and is not vehicle-specific. Always confirm compatibility with your turbo system and tuning setup.

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Product Details

This is the TiAL Sport MVR 44mm wastegate, set to open at .9 Bar or 13.05 PSI, finished in a striking purple. It's a well-built component designed to help you precisely control boost pressure in turbocharged applications. By managing exhaust gas flow around the turbine, this wastegate ensures your turbo doesn't over-boost, which is crucial for engine health and consistent power delivery.

The MVR wastegate is a popular choice for tuners and performance builders because of its robust construction and reliable operation. It features a high-temperature resistant diaphragm and a precision-machined housing that work together to maintain accurate boost levels, even under demanding conditions. The included .9 Bar spring is a common starting point for many builds, offering a good balance between responsiveness and preventing excessive boost. You'll find that this wastegate fits right into many custom turbo setups, making it a solid option for those looking to fine-tune their engine's performance.

Keep in mind that this wastegate is not CARB approved and cannot be shipped to California. Always refer to your specific vehicle's tuning requirements and consult with a professional when installing and tuning a new wastegate to ensure optimal performance and engine safety.