How to Make a Nitro RC Car Quieter

How to Make a Nitro RC Car Quieter

Nitro RC cars are a great way to quench your need for speed and have some fun with your friends. With the advanced technology, nitro RC cars have become faster, more powerful, and better than ever before. However, they have one significant drawback – the noise. The intense roar from the engine can be a nuisance to you and those around you, especially if you live in a residential area. Fortunately, there are ways to address this problem, and in this article, we will discuss some of the best ways to make your nitro RC car quieter. Whether you’re a beginner or an experienced racer, you’ll find useful information to help you reduce the noise produced by your nitro RC car. By following these tips, you can enjoy your favorite hobby without the annoying noise that comes with it, and your neighbors will thank you for it. So, let’s get started and learn how to make a nitro RC car quieter.

Check the Exhaust System

One of the primary reasons for the high noise level produced by nitro RC cars is the exhaust system. So before trying out other solutions, it’s best to check if all the exhaust system parts are firmly attached to the engine. Here are some things you could do:

  • Check if the muffler is securely attached to the manifold.
  • Inspect if the manifold bolts are tight and if there are any cracks.
  • Check if the exhaust gasket is properly installed.
  • Make sure the exhaust system is perpendicular to the chassis of your car.
  • You can also use a tuner’s link pipe to reduce the noise and increase performance.

If you find any of these components faulty or not properly installed, it’s a good idea to fix them before moving on to other solutions. Some resources such as or provide the necessary parts and equipment.

Why are RC cars so loud?

RC cars can be loud due to the motors, drivetrain components, and the type of surface they are driven on. Here are some reasons why:

  • The electric motor in an RC car can generate a high-pitched whine when it is running at high RPMs. This is a common sound when racing RC cars.
  • Gas-powered RC cars can be even louder because they use internal combustion engines which generate noise from the combustion of fuel and air.
  • Vibration from the drivetrain can also contribute to the noise. If parts are not tightened properly, or if gears are worn, they can produce a rattling or grinding sound.
  • The type of surface the RC car is driven on can also affect the noise level. Hard surfaces like concrete or asphalt can amplify the noise while soft surfaces like dirt or grass can muffle it.

Reducing the noise level of an RC car can be done by adjusting the gearing and drivetrain, using quieter components or by adding sound insulation to the car’s body. Some brands like Traxxas and Redcat have released low-noise versions of their popular RC cars which use specialized gearing and components to reduce noise level.

Install a Silencer

Another effective way to reduce the noise of your nitro RC car is to install a silencer or a muffler. A silencer reduces the noise level by lessening the exhaust fumes as they exit the car. Here are some things to keep in mind:

  • There are different types of silencers available in the market, such as tuned pipe silencers, side exhaust mufflers, and mid-mufflers.
  • The right type of silencer you choose largely depends on the model of your car and the type of racing you do.
  • An exhaust tuning pipe reduces noise while enhancing engine performance by providing better air intake and exhaust systems.
  • A side exhaust silencer works best for engines with rear-exiting exhausts.
  • A mid-muffler is an excellent option for cars with the centrally located exhaust system.

Here’s a table to show the different types of silencers and their features:

Silencer Type Features
Tuned Pipe Silencer Offers best performance and noise reduction.
Side Exhaust Muffler Works best for engines with rear-exiting exhausts.
Mid-Muffler Great for cars with centrally located exhaust systems.

You can purchase these silencers from hobby stores such as or visit your local RC car store.

How can I make my nitro RC car louder?

If you’re looking to increase the volume of your nitro RC car, here are a few tips to consider:

  • Modify the exhaust system
  • Install a louder muffler or muffler delete
  • Adjust the carburetor to run richer
  • Upgrade the engine with a high-performance muffler or header

Keep in mind, however, that excessively loud engines may not be allowed in certain areas or events. Always check local regulations before modifying your RC car’s exhaust system.

If you’re interested in purchasing aftermarket parts to make your nitro RC car louder, there are many websites such as HobbyKing, Tower Hobbies and Amain Hobbies that offer a variety of options.

Adjust the Throttle

The throttle plays an essential role in controlling the sound and power of your nitro RC car. Here are some tips to reduce the noise through the throttle:

  • Adjust the low-speed needle on the carburetor to set the right air to fuel mixture ratio. This will help control the engine’s RPMs, and thus reduce the noise level.
  • Be sure not to set the mixture too lean as this could cause the engine to overheat, which could damage or destroy the engine.
  • Maintain good control of the engine by monitoring the throttle, brakes, and steering to avoid harsh or abrupt movements, which tend to be noisy.

One way to adjust the throttle is to use a tuning screwdriver, which can be found at your local hobby shop or online at websites such as When adjusting the throttle, it’s best to seek help from an experienced hobbyist or professional since an incorrect adjustment may cause harm to the engine.

Remember that having the right throttle settings will not only reduce the noise of your nitro RC car but will also improve its performance.

How do you adjust the volume on the Alesis Nitro?

To adjust the volume on the Alesis Nitro, follow these steps:

  1. Press the power button to turn on the module.
  2. Use the dial on the right side of the module to adjust the overall volume.
  3. To adjust the volume of individual drums, press the EDIT button and use the arrow buttons to select the drum you want to adjust. Then use the dial to adjust the volume.

For more information on the Alesis Nitro, visit their official website.

Use Dampening Materials

Dampening materials can significantly reduce the noise produced by a nitro RC car. Here are some tips to use dampening materials:

  • Apply foam padding or rubber insulation to the body and chassis of the car. This will help absorb the noise produced by the engine and vibrations caused by the car’s movement.
  • Acoustic foam or insulation can be used in the engine compartment to absorb the noise produced by the engine. It can also keep the engine running at cooler temperatures.
  • You can also apply sound-deadening tape or mats to the underside of the car to reduce noise and vibration from the road, especially when racing on hard surfaces.

These dampening materials can be found at your local hobby store or online at websites such as or When applying these materials, it’s best to do so carefully to avoid interfering with the car’s movement or adding unnecessary weight.

Remember that by using dampening materials, you can not only reduce the noise of your nitro RC car but also improve its overall performance by reducing the impact of vibrations and excessive heat.

What does sound dampening material do?

Sound dampening material is an acoustic material used to reduce the noise level in a room or space. It is designed to absorb sound waves and prevent them from reflecting off hard surfaces, which can cause unwanted echoes and reverberation. Sound dampening material can be used in various applications, such as in recording studios, home theaters, and even inside cars.

Some common types of sound dampening material include:

  • Absorption panels: These are panels made of foam or other sound-absorbing materials that can be installed on walls or ceilings to reduce noise levels.
  • Mass loaded vinyl: This is a heavy, flexible material that can be used to cover walls, floors, or ceilings to prevent sound from passing through.
  • Acoustic curtains: These are heavy curtains made of sound-absorbing materials that can be hung over windows or doors to reduce noise levels.

If you’re interested in purchasing sound dampening materials, there are many websites and products available. One popular website for purchasing acoustic panels and other soundproofing materials is Other popular products include the Auralex Studiofoam and the Owens Corning 703 Fiberglass Acoustic Board.

Maintenance and Upkeep

Maintaining and keeping your nitro RC car in good condition is necessary to keep it running quietly. Here are some tips for maintaining your car:

  • Regularly clean the air filter to keep the engine running efficiently.
  • Inspect the muffler, manifold, and header regularly. If you find any cracks or damages, replace them immediately to prevent excessive noise.
  • Lubricate the moving engine parts, such as the bearings and gears, with high-quality oil to ensure smooth and quiet operation.
  • Check the engine to make sure it’s running optimally. A poorly tuned engine will produce more noise.
  • Store your nitro RC car in a safe, dry place when not in use. This will prevent damage to the car’s parts and ensure that it’s ready to run quietly the next time you take it out.

Some useful websites for purchasing maintenance products for nitro RC cars include and By following these maintenance tips, your nitro RC car will run quietly and smoothly for longer periods.

Remember, regular maintenance is crucial for keeping your nitro RC car in top condition and minimizing the noise produced by its engine. Follow these tips, keep your car in good condition, and enjoy the quiet ride.

How do you maintain an RC car?

Maintaining an RC car is important to extend its lifespan and keep it running smoothly. Here are some tips:

  • Always clean your car after use to prevent dirt buildup that can damage the motor and electronics
  • Check and tighten screws, nuts and bolts regularly to avoid loose parts that can cause damage or loss of control
  • Use appropriate lubricants for moving parts such as the gears and wheels
  • Check and replace worn out tires and batteries as necessary
  • Store your RC car in a dry and cool place to prevent rust and damage from humidity

For more information and products related to RC cars, visit websites such as RC Planet or HobbyTron.


In conclusion, reducing the noise of your nitro RC car is possible. By following the steps provided in this article, you can make your car run more quietly without compromising its speed and performance. Some of the tips include checking the exhaust system, installing a silencer, adjusting the throttle, using damping materials, and maintaining your car.

It’s also essential to choose high-quality products and use reputable websites for purchasing maintenance and upgrade products for your nitro RC car. and are excellent options for purchasing nitro RC car products.

Most importantly, ensure you follow safety measures such as wearing protective gear, avoiding racing in public areas, and sticking to the speed limits in your area. Don’t forget to have fun while driving your nitro RC car around. The joy and excitement of racing your car should not be overshadowed by unwanted noise.

In summary, whether you’re a beginner or an experienced nitro RC car driver, make sure you implement the steps provided in this article to reduce the noise level of your nitro RC car. Keep your car well maintained, follow safety measures and enjoy racing your car without disturbing your neighborhood excessively.