Exhaust Muffler And How It Work

WATCH HERE

What Are Mufflers?

A muffler, often considered the unsung hero of the exhaust system, is a device specifically engineered to reduce noise emitted by the engine. By mitigating the harsh, disruptive sounds produced during the combustion process, a muffler ensures a more comfortable driving experience for both the passengers and the surrounding environment.

THE FUNCTION OF THE MUFFLERS

Whenever exhaust valves open, there is a large burst of burnt gases that have been used during engine combustion, and it's released into the exhaust system. Mufflers thus help in minimizing the noise emitted from the engine and controls the engine backpressure. Mufflers considerably increase the performance and endurance of the engine.

How Does A Muffler Work?

The inside of a muffler is built with a set of perforated tubes. These tubes are designed to reflect sound waves produced by the engine which minimizes the amount of noise that leaves your vehicle. The tubes also act as a way to remove exhaust gases from the engine, which in turn helps to increase the vehicle’s performance and direct the gases away from the interior of the vehicle.

This exhaust, along with the sound waves, enters the muffler through a center tube. They are then bounced off the back wall of the muffler and pushed into the main body of the muffler.

Once in the muffler’s main body, they pass through a series of holes that take them through the last chamber and out the exit pipe

1. Noise Control: As your engine runs, it generates thousands of little sound bursts as highly pressurized gas is released. These sounds travel down your exhaust pipe – so you can imagine how loud they would be if there was no component to muffle the sound.

But mufflers do more than simply muffle sound. The coolest thing about your muffler is that it is meant to “tune” your engine’s sound output. This means that different types of mufflers will give you different sounds. You can make your vehicle as quiet as possible or you can give it a deep growling sound. No matter your wants or needs, there is a performance muffler out there for you.

2. Performance Enhancement: As mentioned above, mufflers do more than tune and muffle sounds. They are also used to increase the performance of your vehicle. How do they do this?

The faster your engine can get rid of exhaust gases, the faster it can take in oxygen and generate more power. By that standard, you may be thinking that no muffler is the way to go – why not cut out the middleman when it comes to releasing exhaust and intaking air? Unfortunately, that may land you a hefty noise violation ticket from your local police, since noise levels are strictly monitored.

Luckily, mufflers are designed to perform this function in the best interest of your vehicle’s performance. Muffler experts have created many efficient designs that minimize exhaust exit time while still keeping in line with noise regulations.

3. Fume Protection: Your vehicle’s exhaust system is designed to draw fumes from the front of the car to the back. The muffler filters these fumes into the atmosphere.

If there is a crack or hole in the muffler, the fumes can make their way to the interior of the vehicle. Exhaust fumes contain carbon monoxide and other highly hazardous chemicals and toxins. Over time, this can cause serious harm to you and your passengers.

Types Of Mufflers

There are different types of mufflers, and each manufacturer will use different design methods to achieve the sound and flow characteristics customers are after. That said, knowing more about the common designs will give you a better understanding of how most mufflers work.

1. Packed Mufflers: These are what many performance enthusiasts prefer because of the flow advantages that the straight-through configuration offers. These feature a metal casing that has a perforated tube running through the center. The inner tube is surrounded by a packing material which absorbs the sound waves as the exhaust gases flow through.

2. Glass Packs: These feature fiberglass packing to combat noise levels and are likely the first thing to come to mind. However, you shouldn’t assume all packed mufflers are all about raw sound. Manufacturers can tweak the design to achieve a particular tone. For example, MagnaFlow’s iconic-sounding mufflers use packing a little more strategically than your most basic designs.

3. MagnaFlow’s Straight: This design is unique in that it incorporates a proprietary perforation core pattern and dual-stage packing material consisting of an initial stainless steel wool to absorb the heat from direct contact with the perforation core while providing the gases an expansion area to make full contact with the second stage of premium acoustic packing material. That’s how we get that distinct MagnaFlow sound.

4. Chambered Mufflers: These are an equally popular design, but they work very differently from packed mufflers. These feature specially designed chambers to get sound waves to bounce off one another. Manufacturers will also typically include other tuning structures within the chambers, such as baffles, to tweak the sound. That said, most work to emphasize the throaty, deeper note of a big displacement engine.

Why Do Mufflers Go Bad?

There are a number of reasons why a muffler has gone bad. Due to being exposed to moisture and heat, mufflers will naturally degrade over time. Moisture causes the interior of mufflers to rust, which affects its quality. Your muffler may also go bad if your vehicle hits something that knocks against the component. If your car suddenly gets noisy, emits an unpleasant smell, or has a drastic drop in fuel economy, then it may be time to inspect your exhaust system.

To get original car parts anywhere in Nigeria with a warranty, send us a message or please visit: Click Here

It was lovely to read.