As a key noise control device, the muffler filter is widely used in many industries and bears the heavy responsibility of improving the working environment and protecting the ecology. Its main function is to effectively absorb and attenuate the noise generated during the operation of the equipment. With the acceleration of the global industrialization process and the increasingly stringent environmental protection requirements, the application areas of muffler filters are constantly expanding, covering manufacturing, petrochemical, power industry, construction industry, transportation and other fields. In the manufacturing industry, the application of muffler filters is particularly extensive. Machine tools, compressors, pumps and other mechanical equipment are often accompanied by high-decibel noise during operation, which not only affects the work efficiency of workers, but also may pose a potential threat to their health. Muffler filters can create a more comfortable working environment for employees by significantly reducing the noise level. In addition, many countries and regions have strict regulatory requirements for industrial noise. The use of muffler filters helps companies comply with regulations and avoid legal responsibilities and economic penalties for excessive noise. In the petrochemical industry, equipment operation and gas emissions are often accompanied by a lot of noise. The application of muffler filters can not only effectively reduce noise, but also improve the safety of equipment. For example, in the oil refining process, the muffler filter element can significantly reduce the noise generated by the operation of the refining equipment, reducing the impact on the surrounding environment and residents' lives. At the same time, the use of muffler filters can also help extend the service life of the equipment, reduce maintenance costs, and thus improve overall operational efficiency. The power industry is also an important application area for muffler filters. Power equipment such as generator sets and transformers will generate significant noise during operation. By reducing the noise level of these equipment, the muffler filter element can not only protect the hearing of workers, but also reduce noise pollution to the surrounding communities. In addition, power equipment needs to maintain high efficiency and stability during operation. The application of muffler filters can effectively control noise and improve overall operating efficiency on the basis of ensuring equipment performance. In the construction industry, heavy machinery and equipment used in the construction process often generate a lot of noise. The application of muffler filters can effectively reduce construction noise, reduce the impact on surrounding residents, and improve the working environment at the construction site. For example, in construction equipment such as concrete mixers and excavators, muffler filters can effectively reduce noise, thereby promoting the smooth progress of construction. In addition, many cities have strict restrictions on construction noise. The use of muffler filters helps construction units comply with relevant regulations and avoid complaints and legal disputes caused by noise problems. In the field of transportation, the application of muffler filters is mainly concentrated in vehicles such as cars, trains and airplanes. Vehicles generate noise during driving. Muffler filters can effectively reduce the noise of the engine and exhaust system and improve the comfort and safety of the vehicle. With the increase of environmental awareness, many countries and regions have set strict standards for noise emissions from vehicles. The application of muffler filters not only helps the transportation industry comply with these regulations, but also contributes to the promotion of sustainable transportation development.

In today's industrial production field, noise pollution has become an important issue that needs to be solved urgently. With the acceleration of urbanization and the continuous improvement of industrialization, the amount of noise generated by industrial equipment during operation has increased significantly. This not only poses a threat to the health of workers, but also has a significant negative impact on the surrounding environment. Therefore, as a key noise control device, the importance of muffler filter elements in industrial applications has become increasingly prominent. The necessity of noise control cannot be underestimated. According to research by the World Health Organization (WHO), long-term exposure to high noise environments may lead to a series of health problems, including hearing loss, increased psychological stress, and sleep disorders. In addition, noise pollution can also have a negative impact on production efficiency and reduce employee job satisfaction. Therefore, the implementation of effective noise control measures is not only a requirement of laws and regulations, but also an important manifestation of corporate social responsibility. In this context, the application of muffler filter elements is particularly critical. The core function of the muffler filter element is to effectively reduce the noise generated during gas flow. Its working principle is mainly based on the interference and absorption of sound waves. By adopting specific materials and structural designs, the muffler filter element can efficiently absorb sound wave energy and convert it into heat energy, thereby significantly reducing the noise level. Common muffler filter materials include sound-absorbing cotton, foam plastics and metal mesh, which show excellent noise reduction effects in different frequency ranges. When selecting a muffler filter, factors such as its material properties, structural design and applicable environment should be considered comprehensively. Sound-absorbing cotton is widely used in noise control in high-noise environments due to its excellent sound wave absorption performance; foam plastics are the preferred material for many industrial equipment due to their lightness and high efficiency in sound wave attenuation; and metal mesh structures provide higher durability and are suitable for applications under extreme working conditions. In addition, the maintenance and care of the muffler filter is also a key link to ensure its long-term effectiveness. Regular inspection and replacement of the filter element can effectively prevent the noise level from rising while maintaining the normal operation of the equipment. When implementing noise control strategies, enterprises should formulate a systematic maintenance plan to ensure that the muffler filter element is always in the best working condition.

In the industrial and commercial fields, the core function of filter elements is to effectively remove impurities from fluids or gases, thereby protecting equipment and improving the quality of the final product. However, the installation location of the filter element is not only a technical issue, but also an important decision affected by multiple environmental factors. Proper selection of the installation location can significantly improve the performance of the filter element, extend its service life, and ensure the safety and reliability of the system. The impact of temperature on filter elementsIn terms of material properties, filter elements are usually made of a variety of materials, and these materials have different performances in different temperature environments. For example, some plastic materials may deform or lose strength in high temperature environments, while metal materials may become brittle under low temperature conditions. Therefore, when determining the installation location of the filter element, it is necessary to have a detailed understanding of the temperature range of the area and select the appropriate material type to ensure that the filter element can operate normally in the expected working environment.Temperature changes also directly affect the viscosity of the fluid, thereby affecting the filtration efficiency. Under high temperature conditions, the viscosity of the fluid may decrease, resulting in an increase in flow, in which case the filter element is prone to rapid clogging; on the contrary, in a low temperature environment, the increase in fluid viscosity may cause a decrease in flow, which in turn affects the filtration effect. Therefore, it is crucial to choose an installation location with a suitable temperature. Consideration of humidity factorsIn high humidity or humid environments, filter elements are at risk of corrosion. Some filter materials are prone to rust or rot under humid conditions, which will directly affect their performance and service life. Therefore, choosing a relatively dry or protective installation location can effectively reduce the risk of corrosion. In addition, an environment with excessive humidity may also lead to the growth of microorganisms, especially for filters used in water treatment. The growth of microorganisms will not only affect the filtration effect, but also cause system pollution. Therefore, when choosing an installation location, the potential impact of humidity on the filter element must be fully considered. Dust and pollutant managementIn industrial environments, filter elements are often exposed to pollutants such as dust, oil mist and chemical fumes. These external pollutants will accelerate the clogging of filter elements and reduce their filtration efficiency. Therefore, choosing a relatively clean installation location can significantly reduce the impact of pollutants and thus extend the service life of the filter element. If the filter element must be installed in a heavily polluted environment, it is recommended to install a protective cover or filter housing to prevent external pollutants from directly contacting the filter element. This measure not only improves the filtration effect, but also reduces the frequency of maintenance. Protection against vibration and shockNear mechanical equipment, filter elements may be subject to vibration and shock, which may cause structural damage or seal failure, leading to leakage and contamination. Therefore, choosing a stable installation location with less vibration is an effective strategy to reduce these risks. In addition, in a vibrating environment, the fasteners of the filter element may loosen, making maintenance more difficult. Therefore, choosing an installation location that is easy to maintain and has less vibration can not only reduce maintenance costs, but also reduce the workload of operators.

In the industrial and commercial fields, the installation location of the filter element has a key impact on its performance, efficiency and service life. Reasonable selection of the installation location can not only significantly improve the filtration effect, but also effectively reduce maintenance costs and ensure the safety and reliability of the system. System design considerationsWhen determining the installation location of the filter element, the flow path of the fluid is the primary consideration. To ensure that impurities are effectively removed before the fluid enters the rest of the system, the filter should be set at the front end of the flow path. This measure can effectively prevent the potential damage of contaminants to subsequent equipment.At the same time, the working pressure and temperature of the system are also important factors in determining the installation location of the filter element. The installation location must be able to withstand the maximum working pressure of the system and maintain the stability of the material in a high temperature environment to avoid deformation or failure. Therefore, it is particularly important to choose the right material and design to adapt to specific working conditions.Flow requirements should also not be ignored. The installation location of the filter element should ensure the stability of the flow. Excessive flow will cause the filter element to be blocked, while insufficient flow may affect the normal operation of the system. Therefore, it is crucial to choose an installation location that can maintain a stable flow. Impact of environmental factorsThe filter element should be installed in a relatively safe environment to avoid external shock, vibration or corrosive media. Selecting an area with appropriate protective measures, such as a protective cover or guardrail, can effectively extend the service life of the filter element. In addition, the temperature and humidity of the environment have a significant impact on the performance of the filter element. Avoid installing the filter element under extreme temperature or humidity conditions to prevent material aging or functional failure. The ideal installation location should have good ventilation and temperature control to maintain a suitable working environment. Considerations for maintenance convenienceWhen choosing the installation location of the filter element, the convenience of maintenance and replacement is also an important consideration. An easily accessible location should be selected to reduce the time and cost required for maintenance, thereby improving work efficiency. Especially in cases where regular inspection and replacement are required, an easily accessible installation location is crucial.In addition, considering the need for cleaning and replacement of filter elements, ensuring that there is enough space to perform these operations can avoid interference or damage to other equipment during maintenance. Setting clear identification and indicator signs can help operators quickly identify and locate filters, which is particularly important during daily inspections and emergency maintenance. Coordination of system compatibilityThe installation location of the filter element must also be coordinated with other equipment in the system (such as pumps, valves, sensors, etc.) to ensure that the normal operation of the filter does not interfere with other equipment. At the same time, it is also essential to plan the connection and pipeline layout between the equipment reasonably.When choosing the installation location, it is also necessary to avoid the formation of dead zones and bubbles of liquid or gas. Dead zones may cause fluid to be retained inside the filter, thereby affecting the filtration effect, while bubbles may reduce the overall efficiency of the system.

Sintered silencer is a key noise control equipment, which is widely used in many fields such as industry, transportation and construction. Its core function is to reduce noise level and improve environmental quality by effectively absorbing and attenuating sound waves. However, the mechanical strength of sintered silencer has a direct impact on the stability and service life of its structure. Structure and material properties of sintered silencerSintered silencers are usually made of porous materials, which form a specific porosity structure during the sintering process. This unique structure not only affects the absorption and attenuation performance of sound waves, but also directly affects the mechanical strength of the silencer. Commonly used sintered materials include ceramics, metals and composite materials. Different materials have different mechanical strength, toughness and corrosion resistance, which play a vital role in the practical application of silencers. Definition and importance of mechanical strengthMechanical strength refers to the ability of a material to resist external forces without damage, which is usually measured by indicators such as tensile strength, compressive strength and flexural strength. In the application of sintered silencers, mechanical strength is directly related to factors such as pressure, temperature and impact that it withstands in a specific working environment. Mufflers with high mechanical strength can more effectively resist the influence of the external environment, thereby extending their service life. Mechanisms of the influence of mechanical strength on service lifeThe service life of sintered mufflers is affected by many factors, among which mechanical strength is a key aspect. The following are several main mechanisms of how mechanical strength affects the service life of mufflers:Durability: Mufflers with high mechanical strength can effectively resist mechanical fatigue and wear in long-term use, reduce material aging and damage, and thus extend their service life. In high-temperature and high-pressure industrial environments, mufflers need to withstand continuous thermal stress and pressure shocks, and high mechanical strength can effectively prevent deformation and cracking of materials.Impact resistance: In some application scenarios, mufflers may encounter shock or vibration. For example, in the field of transportation, mufflers need to withstand vibrations from engines or roads. Materials with high mechanical strength can effectively absorb and disperse these impact forces to avoid failures caused by fatigue damage.Environmental adaptability: Sintered mufflers often work in harsh environments, including high temperatures, corrosive gases, and humidity. Materials with high mechanical strength usually have better corrosion resistance and high temperature resistance, can maintain stable performance in complex environments, and reduce damage caused by environmental factors.Structural stability: The structural design of the muffler needs to consider various stresses and deformations that may occur during operation. Materials with high mechanical strength can provide better structural stability, prevent local damage caused by stress concentration, and thus reduce the risk of overall failure.

Sintered silencers are an important noise control device, widely used in many fields such as industry, transportation and construction. Its core function is to significantly reduce noise levels and improve environmental quality by absorbing and attenuating sound waves. In the design and manufacturing process of sintered silencers, porosity is an important parameter that directly affects the acoustic performance of silencers. Definition and measurement of porosityPorosity refers to the ratio of the pore volume to the total volume in a material, usually expressed as a percentage. In sintered silencers, porosity not only affects the physical properties of the material, such as density and strength, but also has a profound impact on the propagation and absorption capacity of sound waves. There are many ways to measure porosity, including gas adsorption, liquid exclusion, and X-ray computed tomography. These methods have their own advantages and disadvantages, are suitable for different materials and application scenarios, and can provide important data support for the design of silencers. Relationship between porosity and sound wave absorptionWhen sound waves propagate in a material, they will inevitably interact with the microstructure of the material. Generally speaking, an increase in porosity will increase the material's sound wave absorption capacity. This is because the presence of pores can extend the propagation path of sound waves, causing sound waves to reflect and attenuate multiple times inside the material, thereby enhancing the dissipation of sound energy.Low porosity: When the porosity is low, the sound wave propagation path is shorter, and the chances of sound waves reflecting and attenuating in the material are reduced, resulting in weaker sound wave absorption capacity. In this case, the acoustic performance of the muffler may not meet specific noise control requirements.High porosity: As the porosity increases, the number and volume of pores inside the material increase, the propagation distance of sound waves inside the material is extended, and the sound waves are reflected and scattered multiple times in the pores, which ultimately leads to significant dissipation of sound energy. Sintered mufflers with high porosity usually exhibit superior acoustic performance and can effectively reduce noise. The mechanism of the influence of porosity on acoustic propertiesThe influence of porosity on acoustic performance is mainly reflected in the following aspects:The incident angle of sound waves: The incident angle of sound waves will significantly affect the propagation characteristics of sound waves in pores. Materials with high porosity can better adapt to sound waves with different incident angles, resulting in more uniform absorption of sound waves.Sound wave frequency: Materials with different porosities have different absorption effects on sound waves of different frequencies. Generally speaking, materials with high porosity have a stronger absorption capacity for high-frequency sound waves, while materials with low porosity are more prominent in absorbing low-frequency sound waves. Therefore, when designing a sintered muffler, it is necessary to select a suitable porosity based on the specific noise characteristics to optimize its acoustic performance.Viscoelasticity of the material: Changes in porosity will also affect the viscoelastic properties of the material, thereby affecting the propagation and absorption of sound waves. Materials with high porosity usually exhibit better toughness and elasticity, which helps the dissipation of sound waves in the material.

Aluminum mufflers have become an indispensable part of modern automotive exhaust systems due to their light weight, corrosion resistance and excellent acoustic performance. However, as the use time increases, dirt, oil and other contaminants will inevitably accumulate on the surface of the muffler, which not only affects its appearance, but may also have a negative impact on its performance. Therefore, it is crucial to choose the right cleaner to maintain the performance of the aluminum muffler.First, the pH value of the cleaner is a key factor affecting the corrosiveness of aluminum. The pH value of the cleaner for aluminum mufflers should be kept in the neutral to slightly acidic range (pH 6-8). Excessively acidic or alkaline cleaners may corrode the aluminum surface and destroy its surface oxide layer, thereby reducing the corrosion resistance and service life of the muffler. Therefore, when choosing a cleaner, car owners should give priority to those products marked as "aluminum safe" or "neutral" to ensure their protection of aluminum.When choosing a cleaner, it is also crucial to ensure that it does not contain corrosive ingredients. Some cleaners may contain fluorides, chlorides or other strong acidic ingredients, which can cause irreversible damage to aluminum. Therefore, when purchasing a cleaner, be sure to carefully check the product ingredients to ensure that it does not contain any chemicals that may corrode aluminum to protect the integrity of the aluminum muffler.Although aluminum mufflers have strict requirements for cleaners, the cleaning ability of the cleaner is still an important consideration. The ideal cleaner should be able to effectively remove oil, carbon scale and other contaminants on the surface of the muffler. Generally speaking, cleaners with good emulsification and dispersibility are more ideal because such cleaners can suspend dirt in water for subsequent rinsing and cleaning.The cleaner for the aluminum muffler should have the characteristics of easy rinsing. Some cleaners may leave residues after use, affecting the appearance of the muffler, and even releasing harmful gases at high temperatures. Therefore, choosing a cleaner that is easy to rinse can reduce subsequent cleaning work and ensure that the muffler will not be adversely affected after cleaning.When choosing a cleaner, car owners should also consider its applicability. Some cleaners may be specially designed for specific types of aluminum or specific cleaning scenarios, so when choosing, make sure that it is suitable for the cleaning needs of the aluminum muffler. In addition, some cleaning agents may be suitable for a variety of materials, such as plastics, rubber, etc., so that good results can be achieved when cleaning other parts, thereby improving cleaning efficiency.

Aluminum mufflers are widely used in automotive exhaust systems due to their lightweight, corrosion resistance and excellent acoustic performance. However, as the use time increases, the surface of the muffler tends to accumulate contaminants such as dirt, grease and carbon scale, which not only affects its appearance, but may also have a negative impact on its performance. Therefore, regular cleaning of aluminum mufflers is an important measure to maintain its function and extend its service life. There are several key precautions to follow when cleaning aluminum mufflers to ensure cleaning results and material safety.First, before cleaning, necessary safety measures must be taken. Make sure the vehicle is completely turned off and cooled to prevent burns. At the same time, wear appropriate personal protective equipment (PPE) such as gloves and goggles to protect yourself from chemical cleaning agents and dirt. In addition, it is recommended to clean in a well-ventilated environment to avoid inhaling harmful gases or chemicals.When choosing a cleaning agent, caution must be exercised. Strong acid or alkaline cleaning agents should be avoided, as these chemicals may corrode or damage the aluminum surface. It is recommended to use a mild automotive cleaner or a cleaner specifically formulated for aluminum, which are usually specially designed to safely and effectively remove dirt while protecting the aluminum surface.The choice of cleaning tools is also critical. It is recommended to use a soft-bristled brush, sponge or microfiber cloth for cleaning, and avoid using a wire brush or other hard tools that may scratch the aluminum surface. When wiping with a soft cloth, be gentle to prevent unnecessary damage to the muffler. The specific cleaning steps are as follows:1. Preparation: Park the vehicle on a flat surface, make sure it is turned off and cool. Prepare the required cleaning agents, cleaning tools and water.2. Initial rinse: Gently rinse the surface of the muffler with water to remove loose dirt and dust. Avoid using a high-pressure water gun to avoid damaging the seal of the muffler.3. Apply the detergent: Apply a mild detergent evenly to the surface of the muffler, especially in areas with more dirt. Let the detergent stay on the surface for a few minutes to fully break down the dirt.4. Brush: Use a soft-bristled brush to gently brush the muffler, focusing on areas where dirt has accumulated. Be careful to avoid scratching the aluminum surface during the brushing process.5. Rinse: Rinse the muffler thoroughly with clean water to ensure that all detergent and dirt are rinsed away.6. Dry: Wipe the muffler with a clean microfiber cloth to remove surface moisture. Make sure the muffler is dried naturally in a well-ventilated area to avoid moisture retention and corrosion.

As an indispensable key component in the exhaust system of automobiles, bronze mufflers require regular maintenance and care to ensure their long-term reliability and normal operation. First of all, regular cleaning is an important step to keep the bronze muffler in the best condition. Due to its location at the bottom of the vehicle, it is susceptible to erosion by road dust, mud and water vapor. The dirt accumulated over a long period of time will affect its heat dissipation and sound control effects. It is recommended that car owners regularly use warm water and neutral detergent to gently scrub the surface, then rinse with clean water and dry it to extend the service life of the bronze muffler. Secondly, it is also crucial to regularly check whether the connectors and seals of the bronze muffler are loose or worn. Vibration and high temperature in the exhaust system may cause loosening or wear of the connectors and seals, which in turn causes gas leakage and increased noise. It is recommended that car owners regularly check the tightness of the connectors and seals, and if problems are found, they should be adjusted or replaced in time to ensure the normal operation of the exhaust system. In addition, it is also essential to regularly check whether the appearance and internal structure of the bronze muffler are damaged or deformed. Working in a high temperature and high pressure environment for a long time, the bronze muffler is susceptible to thermal expansion and vibration, which may cause deformation of the shell or damage to the internal structure. Regularly check the appearance and internal structure. If any problems are found, they should be repaired or replaced in time to avoid further damage and affect the performance of the exhaust system. Finally, regular maintenance and care of the bronze muffler can extend its service life and keep it in optimal condition. It is recommended that car owners check the bronze muffler every time they change the engine oil to ensure that it is operating normally without abnormalities. In addition, regular professional exhaust system inspection and maintenance can detect and solve problems in time, ensuring the normal operation and optimal performance of the exhaust system.

Bronze mufflers are a key component in automotive exhaust systems, and their design has a significant impact on sound attenuation and exhaust flow. They are usually made of bronze alloy materials, have excellent corrosion resistance and high temperature resistance, and are suitable for high-performance and customized exhaust systems. The design of bronze mufflers plays a vital role in sound attenuation. Its main function is to reduce the noise generated by the exhaust system, improve driving comfort and environmental friendliness. Internal sound-absorbing materials and special cavity structures are key elements in muffler design, which can effectively absorb and dissipate noise in the exhaust airflow. Different degrees of sound attenuation can be achieved by changing the cavity shape, increasing the density and thickness of the sound-absorbing material, etc. In addition, the design of the muffler's air inlet and outlet also affects the sound propagation and attenuation effect. By optimizing these design parameters, better sound control can be achieved, improving the driving comfort of the vehicle and reducing noise pollution. In addition, the design of bronze mufflers is also crucial to exhaust flow. Exhaust flow refers to the volume of gas passing through the exhaust system per unit time, which directly affects the performance and efficiency of the engine. The muffler design must balance the relationship between sound attenuation and exhaust flow to ensure that the engine's exhaust efficiency is not affected while reducing noise. The design of the cavity structure, air inlet and air outlet will affect the flow rate and direction of the exhaust airflow, thereby affecting the exhaust flow and exhaust resistance. By optimizing these design parameters, better exhaust flow and exhaust efficiency can be achieved, improving engine performance and combustion efficiency.

As an important part of the automobile exhaust system, the external shape design of the stainless steel muffler is crucial to its performance. The external shape design not only affects the appearance of the muffler, but also directly affects the muffler effect, the flow of exhaust airflow and the performance of the entire exhaust system. In terms of airflow resistance, the external shape design of the muffler can affect the flow resistance of the exhaust airflow. By rationally designing the shape of the muffler, the airflow resistance can be reduced and the efficiency of the exhaust system can be improved. Optimizing the external shape design can reduce the exhaust resistance of the vehicle, improve power output and fuel economy. In terms of noise control, the external shape design of the muffler is crucial to noise control. Reasonable design of the external shape can reduce the reflection and propagation of sound waves, improve the muffler effect, and reduce the noise level generated by the exhaust system. Optimizing the external shape design can effectively improve the noise control ability of the muffler and improve the driving comfort of the vehicle. In terms of heat dissipation effect, the external shape design of the muffler will also affect the heat dissipation effect. Reasonable design of the external shape can increase the surface area, improve the heat dissipation efficiency, and avoid overheating of the muffler and cause performance degradation. By optimizing the external shape design, the heat dissipation effect of the muffler can be improved and the service life can be extended. In terms of installation location, the external shape design of the muffler will also affect the installation location and method. Reasonable design of the external shape can ensure that the muffler is tightly connected to other parts of the exhaust system to avoid gas leakage and noise. By optimizing the external shape design, the muffler can be stably installed and the overall performance of the exhaust system can be improved. In terms of aesthetics, the external shape design of the muffler will also affect the appearance. By reasonably designing the external shape, the muffler can match the appearance of the vehicle and improve the appearance texture of the entire vehicle. Optimizing the external shape design can enhance the brand image of the vehicle and enhance its market competitiveness.

Stainless steel muffler is a vital component in the engine exhaust system, and its design directly affects the performance and efficiency of the entire exhaust system. In terms of internal structure design, the reasonable design of the shape, number and position of the baffles and compartments inside the muffler can effectively reduce the noise generated in the exhaust system and improve the driving comfort of the vehicle. In terms of material selection, stainless steel mufflers are usually made of high-quality stainless steel materials, which have excellent corrosion resistance and high temperature resistance, can maintain stable performance in harsh environments, and reduce maintenance and replacement costs. External shape design is also an important factor affecting the performance of the muffler. The shape of the muffler is designed according to the layout and space limitations of the vehicle exhaust system to ensure smooth exhaust airflow and effective noise absorption, and improve the efficiency of the exhaust system. In terms of acoustic characteristics, the reasonable design of the internal structure and material selection of the muffler can effectively absorb and eliminate the noise in the exhaust system, and improve the driving comfort and quietness of the vehicle. In terms of performance optimization, by optimizing the design of the stainless steel muffler, such as reducing the volume and weight, the overall weight of the vehicle can be reduced, and fuel economy and performance can be improved.