How to Make Turbo Flutter Louder

Turbo flutter is a sound produced by the turbocharger’s compressor surge when the throttle is closed rapidly, causing the pressurized air to blow back through the turbo. The loudness of the turbo flutter is determined by various factors, including the design of the turbo system, the type of blow-off valve (BOV), and the airflow characteristics.

While some car enthusiasts enjoy the sound of turbo flutter, it’s important to note that modifying your vehicle’s turbo system may have potential performance and reliability implications. If you still want to make the turbo flutter louder, here are a few suggestions:

Step to Make Turbo Flutter Louder

  1. Upgraded Blow-Off Valve: The blow-off valve (BOV) is responsible for releasing excess pressure from the turbo system when the throttle is closed. Some aftermarket BOVs are designed to create a more pronounced flutter sound. Look for BOVs that are specifically designed for a louder turbo flutter.
  2. Vent-to-Atmosphere (VTA) BOV: Most factory turbo setups recirculate the excess pressure back into the intake system to maintain efficiency. However, a vent-to-atmosphere BOV releases the pressurized air directly into the atmosphere, resulting in a louder flutter sound. Keep in mind that using a VTA BOV can affect the air-to-fuel ratio and potentially trigger check engine lights, so it’s important to consider the potential drawbacks.
  3. Adjusting the BOV: The sound of turbo flutter can be affected by adjusting the blow-off valve. Some BOVs have adjustable settings that allow you to change the amount of pressure required to release the excess air. Experimenting with different adjustments might result in a louder flutter sound.
  4. Intake and Exhaust Modifications: Altering the intake and exhaust systems can impact the sound of turbo flutter. Installing a high-flow intake or a less restrictive exhaust system can enhance the induction noise and potentially amplify the flutter sound.
  5. ECU Tuning: Custom engine control unit (ECU) tuning can affect the turbo system’s behavior, including the sound of the flutter. Consulting with a professional tuner who specializes in ECU modifications can help you achieve the desired sound while maintaining optimal performance.

Remember, modifying your turbo system to make the flutter louder can have consequences, including reduced performance, potential engine damage, and possible violation of local noise regulations. It’s crucial to research, consult with experts, and consider the long-term implications before making any modifications to your vehicle.

How to Make Turbo Flutter Louder


What Makes the Stututu Turbo Sound?

The Stututu turbo sound is a result of the exhaust gas flow and engine speed. The high-pitched noise is caused by the exhaust gases flowing through the turbine at high speeds. The Stututu turbo has a unique sound that is different from other turbos because of its design and size.

Does Turbo Flutter Damage the Turbo?

Turbo flutter is a condition that can occur in turbocharged engines when the turbocharger starts to spin at an excessively high speed. This can happen due to a number of reasons, such as a build-up of pressure in the engine, or a sudden release of pressure. When this happens, the blades of the turbocharger can start to vibrate, which can cause damage to the turbocharger itself, as well as other engine components.

In most cases, turbo flutter will not cause any lasting damage to the engine, and it will eventually recover from the event. However, there are some instances where severe damage can occur. If you suspect that your engine has suffered from turbo flutter, it is important to have it inspected by a qualified mechanic as soon as possible.

How Do You Get the Bov Flutter Sound?

The BOV flutter sound is a result of the pressure differential between the atmospheric pressure and the boost pressure in the intake manifold. When the throttle is opened, the boost pressure in the manifold increases, which forces air into the BOV. The BOV then releases this air into the atmosphere, which causes a decrease in pressure in the manifold.

This difference in pressure creates a vacuum that pulls air back into the manifold through the BOV, which makes it flutter.

3 Ways To Make Your Turbo Louder | Now You Know


In summary, while the desire for a louder turbo flutter sound is understandable, it’s important to balance the desire for auditory enhancement with the potential consequences. By seeking expert advice, understanding the risks involved, and ensuring compliance with legal requirements, enthusiasts can make informed decisions about modifying their vehicles to achieve a louder turbo flutter sound.