What does a wastegate do on a turbocharged car?

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.

What is the advantage of an external wastegate like this one?

External wastegates, like the TiAL MVS, offer more precise boost control compared to internal ones. They are also often used in aftermarket setups to allow for higher boost levels and better flow management.

Can this wastegate be used with different boost levels?

Yes, the TiAL MVS wastegate is designed to accept different spring pressures. While this unit comes with a .7 Bar spring, you can purchase and swap in other springs to achieve different boost targets.

TiAL Sport 38mm Wastegate .7 Bar Black MVS.7BK

Name: TiAL Sport MVS Wastegate 38mm .7 Bar (10.15 PSI) - Black (MVS.7BK)
Brand: TiALSport
SKU: tialsport-tial-sport-mvs-wastegate-38mm-7-bar-10-15-psi-black-mvs-7bk-t14-586014
Price: 367.35 USD
Availability: BackOrder

TiAL Sport MVS Wastegate 38mm .7 Bar (10.15 PSI) - Black (MVS.7BK)

$367.35

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 MVS Wastegate 38mm .7 Bar (10.15 PSI) - Black (MVS.7BK). Controls boost pressure on turbocharged vehicles.

Key Features

Fits many turbocharged vehicles.
38mm wastegate size.
Includes a .7 Bar (10.15 PSI) spring.
Black aluminum body construction.
Stainless steel diaphragm and spring for durability.
Helps control and regulate turbocharger boost pressure.

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Product Details

This is the TiAL Sport MVS 38mm wastegate, set to open at 0.7 Bar (about 10.15 PSI) with its included spring. It's finished in black and is a popular choice for managing boost pressure on many turbocharged vehicles. The wastegate's job is to bypass exhaust gas around the turbocharger's turbine wheel once a target boost pressure is reached, preventing over-boosting and keeping your engine safe.

TiAL Sport is well-known for making solid components for the forced induction world. This MVS wastegate features a well-built aluminum body and a stainless steel diaphragm. The internal spring is also made from stainless steel, designed to hold its tension over time. The 38mm size is a common fit for many aftermarket turbo setups, and the .7 Bar spring is a good starting point for moderate boost levels. You'll find the build quality is robust, ready to handle the heat and pressure of a performance engine.

When installing, remember that this wastegate is typically used as an external unit, meaning it mounts to a flange on your exhaust manifold or downpipe. It works in conjunction with your turbo system to precisely regulate how much boost your engine sees. Make sure to check manufacturer fitment data to confirm it's the right size and type for your specific turbo and exhaust setup.