How to Make Blow off Valve Louder

Making your blow off valve louder is a simple way to increase the sound and performance of your car. There are a few different ways you can do this, but the most common is by installing a larger valve. This will allow more air to escape when you open the valve, which will make it louder.

You can also install a smaller valve, which will restrict the flow of air and make the sound more pronounced.

  • Open the hood of your car and locate the blow off valve
  • loosen the screws that hold the blow off valve in place with a screwdriver
  • remove the old gasket from the blow off valve and discard it
  • apply a bead of silicone sealant around the opening of the blow off valve
  • place a new gasket over the opening of the blow off valve and press it into place
  • screw the blow off valve back into place and tighten the screws securely

How to Make Blow off Valve Flutter

Blow off valves are one of the most popular modifications for turbocharged cars. They are used to release pressure from the turbocharger when the throttle is closed, which prevents damage to the turbocharger. Blow off valves also make a unique sound that many car enthusiasts enjoy.

Making your blow off valve flutter can be done with a few simple modifications. First, you will need to increase the spring tension on the blow off valve so that it opens more easily. This can be done by removing the stock spring and replacing it with a stronger aftermarket spring.

You may also need to replace the stock gasket with a thinner one to reduce resistance. Next, you will need to install an adjustable wastegate so that you can control how much boost is released when the throttle is closed. By adjusting the wastegate, you can tune it to create just enough pressure release to make the blow off valve flutter without damaging your turbocharger.

Finally, you will need to adjust your driving style slightly so that you are not constantly closing the throttle too quickly. When done correctly, this will allow you create beautiful sounding blow off valve flutter without harming your car’s engine or turbocharger.

How to Make Blow off Valve Louder


How Do You Get the Bov Flutter Sound?

The BOV flutter sound is produced when the pressure in the intake manifold exceeds the atmospheric pressure. This causes the air to flow back into the turbocharger, which in turn produces a characteristic “fluttering” noise. There are several ways to get this sound, including installing an aftermarket blow-off valve or by modifying the stock one.

Can You Adjust a Blow-Off Valve?

A blow-off valve, also known as a dump valve, is a pressure release system present in some turbocharged engines. Its purpose is to prevent compressor surge when lifting off the throttle. When the throttle is closed, intake manifold pressure drops quickly and can cause the turbocharger to stall.

The blow-off valve prevents this by releasing pressure from the intake when the throttle is closed. This allows the engine to idle without stalling and protects the turbocharger from damage. Most blow-off valves are adjustable, meaning that you can change how much pressure is released when the valve opens.

This can be useful if you’re finding that your engine is stalling too easily or if you want to increase boost pressure by reducing the amount of air that’s released. Adjusting a blow-off valve is relatively simple and only requires a few tools.

What Does Harder And Softer Mean on a Bov?

The term “harder” and “softer” in reference to a BOV, or Blow Off Valve, is referring to the spring inside the valve. A softer spring will allow the valve to open at lower pressure, while a harder spring will require higher pressure to open the valve. This can be important when matching a BOV to your turbocharger, as you’ll want to make sure the BOV is opening at the right time and not opening too early or too late.

Do You Need a Tune With a Blow-Off Valve?

A blow-off valve, also known as a dump valve, is a pressure relief device used in turbocharged engines. When the throttle is closed, the sudden drop in manifold pressure can cause the compressor to stall, which can damage the engine. A blow-off valve prevents this by venting the air from the compressor into the atmosphere.

Most modern turbocharged cars come with a factory-installed blow-off valve, but you may need to install one if your car doesn’t have one. There are two main types of blow-off valves: recirculating and atmospheric. Recirculating valves recirculate the air back into the intake system so it can be used again.

Atmospheric valves release the air into the atmosphere. If you’re not sure which type of blow-off valve to get, ask your mechanic or consult your car’s owner’s manual.


This blog post will teach you how to make your blow off valve louder. You will need a few tools and supplies, including an adjustable wrench, screwdriver, and drill.