How to Buy a Resonator

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How to Buy a Resonator

Internal combustion engines are noisy, and the thrum of the exhaust is often annoying or inconvenient for motorists, particularly in confined spaces or at gatherings where there are many vehicles in close proximity. Fitting a muffler reduces the amount of noise an exhaust produces, but it is possible to improve the sound quality even further by using an exhaust resonator. Consumers must know what kind of resonator is right for the vehicle and research their options carefully before making a purchase.

 

How resonators work

Most resonators are hollow steel tubes, precision-built to produce an exhaust note by causing the air to vibrate in a certain way in the hollow cavity. The dimensions of the resonator enable sound waves reflected by the resonator to cancel out certain frequencies in the exhaust noise, resulting in a quieter and more pleasing sound.

Resonator vs. muffler

A muffler attaches to a vehicle's exhaust to reduce the amount of noise emitted. It looks much like a resonator and has a similar purpose, but the two are not the same. A resonator does not usually replace a muffler, and the two devices are used in conjunction on the same exhaust system for optimal effect. It is possible to use a resonator on its own in situations where a regular muffler is too large.

 

Choosing the right resonator

Many vehicles come with a resonator pre-installed to soak up noise that gets through the muffler; however, some vehicles do not have this standard feature and require modification via aftermarket components. With the right car parts and tools, car owners can modify any exhaust with a resonator that improves the volume and quality of the noise.

When to buy a resonator

The main reason to purchase a resonator is to reduce exhaust noise or to improve the exhaust note. This may be because the exhaust noise is unpleasant, or it may be part of tuning the vehicle to attract attention at shows and car meets, where other enthusiasts judge every aspect of the vehicle. A resonator also reduces exhaust drone, a low buzzing noise emitted by some exhaust systems, which can be a distraction for drivers.

OEM vs. aftermarket resonators

When replacing a car part, consumers normally have the opportunity to purchase an original equipment manufacturer (OEM) component. These are made by the manufacturer of the vehicle and are identical to the original factory-fitted parts. If a factory-fitted resonator breaks down, then an OEM replacement is sure to fit. Adding a resonator to an exhaust system, however, involves purchasing an aftermarket product from a third-party company.

Aftermarket products are not produced by the vehicle manufacturer, so consumers need to research their purchases carefully to ensure the parts are of good quality and fit the vehicle. Fortunately, many companies offer aftermarket resonators, so it is easy to find the right components at the right price.

Types of resonators

There are two main types of resonators, perforated core and louvered core. The louvered core has small hooks on the inside of the chamber to cancel the frequencies, while the perforated core has small holes. The louvered core is the most effective for silencing the exhaust noise, but it also reduces flow by as much as 5 per cent.

Important measurements

There are three measurements to consider when purchasing a resonator: the pipe diameter, the body diameter, and the length. The body diameter is the widest part of the resonator and determines where it fits. The pipe diameter determines which exhaust pipes the unit is compatible with. The length of the resonator directly impacts its ability to reduce noise. The longer the chamber, the quieter the exhaust note.

 

Installation

Installing a resonator involves welding it into the exhaust system after the muffler. For car enthusiasts with the skill and the correct tools, it is possible to complete the installation at home. For most motorists, it is better to seek a professional mechanic to weld the components to ensure a good finish that is unlikely to corrode or fail.

 

How to buy resonators on eBay

Looking for truck and car parts, such as exhaust resonators, is simple on eBay thanks to the large automotive inventory. Perform a keyword search for a resonator, including the model or brand name if applicable, to get a comprehensive list of results to browse. You can refine the list of products using filters, such as price, brand, condition, and seller location. You can also arrange the list to display the lowest prices or closest seller locations first to make searching even easier.

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