How to make your car louder (best ways)

There is no denying the fact that noisy cars are very noticeable and difficult to escape when they come roaring down the street. We might just see them as annoying, or we might see them more favorably, but which point of view is fairer? In today’s blog, we’ll look at why people choose to make their car louder, how it can be done, and other issues including the legality of making your car louder.

Why would anyone want to make their car taller?

If loud car sounds irritate you, the answer to this question may forever remain a mystery, but if you’re willing to keep an open mind, people’s reasons might surprise you.

First, they turn up the sound for sheer emotion. For those who improve the sound in their cars, they feel that it adds an exciting new dimension to the driving experience and that the new sound makes the car more sporty and dynamic.

Second, there are potential performance increases. The extent to which sound boosts can boost performance is a matter of some debate. There is evidence to show that removing the muffler and allowing more exhaust to flow freely can offer a small increase in horsepower.

Third, it can make switching easier and more streamlined. Those who drive cars on a racetrack or other competitive environment might argue that knowing exactly when is the best time to upshift or downshift is critical, and the best way to do this is to assess engine noise.

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Fourth, they do it to get attention. The final reason on the list is arguably the only truly critical one, and that is the fact that a louder car draws attention and attracts more attention. Some people like that feeling, for better or for worse.

What are the different sources of car sound?

When people are thinking about turning up the sound in their cars, where do they start? The main source of all sounds coming from your car is the internal combustion engine, of course. Inside the combustion chambers there are countless small explosions that constantly happen in the mixture of air and fuel.

The sound of these small explosions is what you hear coming out of the exhaust, so the sound mostly starts in the engine bay and then works its way through the exhaust system. The reason it’s nowhere near as loud as it should be is that built into the exhaust system are things like the muffler, which help to reduce the sound level as much as possible.

make car higher

For many exploring increasing engine sound, it’s not just about making the car sound “louder”, it’s about making the car sound “better”.

How to make your engine sound better

  1. Get a new engine

This would clearly be a very expensive change, but if you have the money and resources, the most straightforward thing you can do is simply upgrade the engine to a bigger, more powerful one. Engines with more cylinders like a V6 or V8 will naturally produce more sound than a smaller 3 cylinder or inline 4.

  1. new air intake

One new cold air intake replacing the regular intake can help to increase the sound because it is richer in oxygen, which in turn creates more powerful combustion. Also, airflow into a cold air intake is less restrictive, allowing more air to enter the engine. The increased sound is really just a bonus on this one, as new air intakes can improve your car in other ways.

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how to make the car louder

  1. Drop down filters

Similar to the air intake, a more basic modification you can perform is to update the drop-in panel filter, which will also allow more airflow than the OEM filter. This is a simpler and more affordable alternative to a new cold air intake.

  1. Bypass valve for blowing valve

When you swap out your car’s more standard turbo bypass valve for one blow valve, the main difference is that the blow-off valve releases air to atmosphere, while the bypass valve recirculates it in the intake pipe. The exhaust valve, therefore, is a nice addition to improve your engine’s sound.

How to improve the sound of your exhaust

  1. Use a replacement exhaust

aftermarket kits are great for getting the sound you want, and the best news is that there are so many products to choose from. The main USP of any good aftermarket exhaust is to increase airflow and thereby release a richer, fuller sound from the tip of the exhaust. However, it is important to invest in quality when it comes to a new exhaust, as most OEM exhausts are made to very exacting standards. Don’t buy the cheapest exhaust just for a slightly different sound.

  1. Get a set of headers

headers they help make your car sound more aggressive and complement a sound-boosting aftermarket exhaust very well. The headers won’t necessarily affect the exhaust sound when idling, but you will certainly hear the difference when you press the gas pedal. Some might also point to the platforms’ ability to deliver additional power.

  1. Upgrade your muffler or do a ‘squelch delete’

The muffler is primarily responsible for decreasing the sound your car makes. Some people think of doing a “squelch delete” where the squelch is essentially bypassed, which obviously creates a very loud sound, but you could be facing fines from the police (see below). A better solution is to upgrade your muffler to a performance muffler with a straight line design that allows air to flow much more freely.

silencer off

Do exhaust tips change the sound?

Contrary to popular opinion, exhaust nozzles do not contribute significantly to increasing engine or exhaust sound. They look great, so you might still want to invest in them for their pure aesthetic value.

Are noisy exhausts illegal?

States have different rules when it comes to noise limits, but they tend to be in the 75 to 80 decibel (dB) range. Most traffic noise is measured at around 70 dB, which is also about the same as a vacuum cleaner. Your car horn is 110 dB. By following the steps above, you can turn your car into a nuisance noise generator, liable to fines. At the very least, you could be pulled over and given a stern talk by a local police officer.

The exhaust itself isn’t illegal – unless you remove all sound limiting devices because you need to have at least 1 – but the noise it makes might be.

Conclusion: Is improving car sound worth it?

Is it worth the possible fines, the annoyance of your neighbors, the ruination of your neighborhood’s peace? If you look at it that way, it doesn’t really seem like a worthwhile project to “upgrade” your car’s sound. You can look at it from that perspective, but others don’t.

If, on the other hand, you are a racing enthusiast and want to lower the noise your car makes or gain as much power as possible, the improvements mentioned above are useful and smart. Consider their use and reflect on the value of these modifications.

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