···
Log in / Register

Why Does a Mushroom Head Intake Produce Sound?

3 Answers
AriannaAnn
07/29/25 2:36pm
After installing a mushroom head intake, the sound is produced due to the increased air and fuel intake causing rougher engine operation. Below are the specific details about the mushroom head intake: 1. Composition: The mushroom head is installed at the inlet of the engine's intake system and consists of an assembly of one or several air filter components that clean the air. 2. Function: Its primary role is to filter out harmful impurities from the air entering the cylinders, thereby reducing early wear on the cylinders, pistons, piston rings, valves, and valve seats. 3. Advantages: Since the air intake range of this type of air filter differs from the flat original-position airbox, it offers the advantage of greater air intake volume. This is particularly beneficial for turbocharged and supercharged engines that require more air intake. 4. Disadvantages: It weakens the intake turbulence, affecting the efficiency of mixing with fuel and leading to issues such as reduced torque output.
Was this review help?
14
4
Share
LaneLee
08/13/25 7:00am
After I installed a mushroom head intake system on my car, the sound was like a small wind howling, making a 'whooshing' noise every time I stepped on the gas. This is mainly because the air flows faster, and the engine inhales air with fewer restrictions. When the airflow speed increases, it easily forms vortices and turbulence, just like strong wind passing through a narrow gap, directly producing sound. The design of the mushroom head is open, with less obstruction than the factory filter, so the air rushes in more fiercely and chaotically. The shockwaves transmitted to the ears become the sound waves. Enthusiasts find this sound particularly thrilling, making driving on the track feel more engaging, as if the car is responding to your control. However, it's important to note that excessive noise in urban areas might disturb others—I once had neighbors complain. Adjusting the position or adding a muffler can help reduce the noise, but many people pursue this personalized sound effect, similar to the excitement brought by modifying an exhaust system. Overall, the sound is a byproduct of performance enhancement—just don’t overdo it.
Was this review help?
12
3
Share
Expand All
GiselleAnn
10/11/25 3:26am
When I first heard the sound of the mushroom air intake while playing with cars, it felt quite novel! It's like the engine is taking a deep breath, with subtle 'whooshing' noises during each acceleration. My friend told me it's caused by the increased airflow velocity. The original intake had restrictions, but after installing the mushroom intake, the air flows more smoothly. When the velocity is high, it creates vortex vibrations that produce audible sounds. I find the sound quite interesting, adding some excitement to ordinary driving, and it pairs well with the engine roar at high speeds. Of course, the loudness needs to be controlled—some places penalize excessive noise, especially during urban night driving when it can be a bit annoying. Installation quality also needs to be checked to avoid air leaks causing abnormal noise, or else it's just a waste of money. In my experience, modifying this system is all about a bit of sensory fun—the sound is a bonus, but don't expect too much from a practical standpoint. Just enjoy it in moderation.
Was this review help?
13
2
Share
Expand All
More Forum Discussions

Does the car key have basic waterproof functionality?

Car keys do not have basic waterproof functionality. Here are some precautions for using car keys: 1. Do not place car keys together with mobile phones, as the magnetic field interference from phones may prevent the car key from functioning properly. Prolonged exposure to phone frequencies can cause malfunction. 2. Avoid exposing car keys to high-temperature and humid environments for extended periods, and do not leave them under direct sunlight. Additional information: If the car key gets wet, do not press any buttons immediately, as this may allow moisture to penetrate the inner layers. Wipe the surface dry, open the casing, remove the battery, and use highly absorbent paper towels or high-concentration alcohol to clean the internal button contacts and other parts. Use a cold air setting on a hairdryer to dry the key—do not use hot air, as the internal circuit board should not be exposed to excessive heat.
4
2
Share

How long does it take to drive a little over 10 kilometers?

Driving time depends on the speed. Generally, the speed in urban areas is 30-50 km/h, taking about 10 minutes. Here are the relevant details: Introduction: The time it takes to drive 10 kilometers depends on factors such as the car's speed, model, and traffic conditions. Generally, the speed of an economy car is 60-80 km/h, covering a 12-kilometer distance in about 10 minutes, assuming no traffic lights or congestion. In normal urban traffic conditions, it may take 20-30 minutes due to traffic lights. During peak hours with heavy traffic, it could take even longer. Important Notes: Driving time depends on the speed. Generally, the speed in urban areas is 30-50 km/h, taking about 10 minutes. At a speed of 15-20 km/h, it may take 40 minutes, while at 30 km/h, it could take around 20 minutes.
3
3
Share

How to Activate Cruise Control on Volkswagen Sagitar?

The method to activate cruise control on the Sagitar is as follows: The control switch is located on the left stalk of the steering column. When the vehicle is stationary or in motion, turn the cruise switch from OFF to ON. At this time, a green cruise control icon will appear on the speedometer, indicating that the cruise function is activated. Press the SET area of the button to control the vehicle speed. Precautions for using cruise control on the Volkswagen Sagitar: 1. Pressing the brake will deactivate cruise control. The speed value will not be cleared, and you can resume the previously set speed to continue cruising. 2. In complex road conditions or under the influence of weather, activating cruise control may be dangerous. Please turn off cruise control and drive manually. 3. On downhill sections, the vehicle may coast faster. At this time, you should press the brake to control the speed to prevent accidents caused by loss of control.
19
2
Share

Where is the fuel pump relay located on the 09 Jianghuai Refine?

Jianghuai Refine's fuel pump relay is located on the right side of the driver's position. Here are the detailed relevant information: Introduction: The fuel pump relay of Jianghuai Refine is located on the right side of the driver's position. After removing the storage box, it can be found in the fuse box inside the engine compartment, at the upper right corner. There is a pillar in the front right, entirely made of metal, which serves as both the main engine relay and the fuel pump relay, connected together. Precautions: The main function of the fuel pump relay is to automatically close the contacts when the car reaches the specified oil pressure. This serves as a signal of normal oil pressure, sent to CNC, PLC, etc., as a condition for allowing the device to start.
9
5
Share

How to Identify the Manufacturing Year of a Car?

Methods to check the manufacturing year of a car: 1. Check the nameplate in the engine compartment. Inside the engine compartment, there is usually an aluminum nameplate that displays the car's serial number, engine displacement, model, brand, and importantly, the specific manufacturing date. When examining the nameplate, note that all the information is stamped once and cannot be altered unless the entire nameplate is replaced. If the manufacturing date appears skewed or blurred, it may indicate tampering, and such cars should not be purchased. 2. Look for the small nameplate around the door seams. There is also a small nameplate around the driver's or passenger's door seam, which clearly states the car's brand, model, manufacturing date, etc. Verify the manufacturing date and cross-check it with the nameplate in the engine compartment to ensure accuracy. 3. Check the VIN (Vehicle Identification Number) under the windshield. Most cars have a VIN under the front windshield, and the 10th digit of the VIN indicates the manufacturing year. Each car's VIN is unique, but the manufacturing date can always be found within it.
5
3
Share

Will changing lanes over a solid line on an elevated road definitely be captured by cameras?

It will be captured by cameras. Here are the specific details of relevant information: Introduction: Driving a motor vehicle in violation of prohibitory signs or markings; 3 points will be deducted. The content regarding school bus driver management in the latest traffic regulations takes effect from the date of issuance, while other provisions will be officially implemented from January 1, 2013. The new traffic rules increase the penalties for violations, and the number of point-deductible offenses has risen from 38 to 52. Other violations related to crossing lines: Both single and double solid yellow lines are prohibitory markings. Crossing or driving over these lines during travel constitutes a violation. Failing to drive in the corresponding lane as indicated by the guiding markings at intersections also falls under the aforementioned provisions.
19
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.