What is the purpose of a wastegate?

A wastegate controls the maximum boost pressure your turbocharger or supercharger can produce. It does this by diverting exhaust gas away from the turbine wheel once a set pressure is reached, preventing overboosting and potential engine damage.

What does the .4 Bar spring setting mean?

The .4 Bar spring setting means the wastegate will begin to open and vent exhaust pressure when your system reaches approximately 5.80 PSI of boost. This is a common starting point for many performance applications, but it can be adjusted with different springs or an external boost controller.

Does this wastegate come with plumbing fittings?

The manufacturer's data does not specify included plumbing fittings. Typically, wastegates require specific boost source and dump tube fittings that are often sold separately or sourced based on your custom plumbing setup.

TiALsport MVR Wastegate 44mm .4 Bar Blue 004324

Name: TiAL Sport MVR Wastegate 44mm .4 Bar (5.80 PSI) - Blue (MVR.4B)
Brand: TiALSport
SKU: tialsport-tial-sport-mvr-wastegate-44mm-4-bar-5-80-psi-blue-mvr-4b-t14-586018
Price: 455.32 USD
Availability: BackOrder

TiAL Sport MVR Wastegate 44mm .4 Bar (5.80 PSI) - Blue (MVR.4B)

$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 .4 Bar (5.80 PSI) - Blue (MVR.4B). Controls boost pressure for forced induction systems.

Key Features

This is the TiALsport MVR 44mm wastegate.
Features a .4 Bar (5.80 PSI) spring setting for boost control.
Blue anodized finish on the aluminum body for corrosion resistance.
High-temperature stainless steel inlet flange.
Internal diaphragm design for precise boost management.
Not CARB approved; cannot ship to California.

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Product Details

The 44mm MVR wastegate from TiALsport uses a unique internal diaphragm design to precisely manage boost pressure in your turbocharged or supercharged engine. This particular model is set to open at .4 Bar, which is about 5.80 PSI, giving you a solid starting point for controlling boost on many performance applications. The blue anodized finish isn't just for looks; it helps protect the aluminum body from corrosion and wear.

Built with a high-temperature resistant stainless steel inlet flange and a robust actuator diaphragm, this wastegate is made to handle the heat and pressure of demanding engine conditions. The internal spring is designed for consistent operation, ensuring your engine doesn't overboost. It's a well-built component that's popular for its reliability and straightforward installation into most exhaust manifold setups. You'll want to ensure your exhaust system has the proper provisions for a wastegate dump tube to route excess exhaust gas away safely.

Keep in mind that this wastegate is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation guide for specific details on plumbing and mounting to your turbo system.