Exhaust Manifolds
Only the Best Exhaust System Can Provide Maximize Engine Performance
Many people think that the Mazda exhaust system is basically the car's muffler. The truth, however, is that, the system is basically made up of a series of pipes underneath the body of the car that is connected to the muffler and the catalytic converter. The main function of the exhaust system is to keep noise levels to a bearable degree to as well as to route exhaust fumes away from the passenger cabin.
The Mazda exhaust system disposes of waste gases produced by the engine by letting them pass to the rear of the car, finally departing through the muffler. These exhaust fumes are discharged into the atmosphere since such substances contain noxious pollutants, mostly carbon monoxide. Carbon monoxide impairs the ability of the blood to absorb oxygen into the lungs, leading to serious health problems. Inhaling huge amounts of this gas can thus lead to poisoning. Carbon monoxide poisoning, in turn, can inflict a series of ills on a person. Headaches, fatigue, flu-like symptoms, as well as potential heart problems, are simply a few of these ills. In addition, chest pains, irregular heart beats, and in some cases, cardiac arrest are also common results if one is subjected to high intakes of carbon monoxide. In addition, the Mazda exhaust assembly also converts pollutants into less harmful by-products, levels down the noise of the engine, as well as directs exhaust gases so they can be utilized to heat air and fuel before they are burned in the engine's cylinders. Another function of the exhaust system also includes the production of backpressure into the engine at just the right amount so as to improve the engine's fuel-burning efficiency and performance.
The components of the Mazda exhaust system generally include the exhaust pipes. These are designed specifically for each car model so exhaust fumes are certain to be routed properly to whichever direction they need to go. Then, there's the exhaust manifold. This component serves like a funnel; that is, it collects exhaust gases from all cylinders. After which, it releases them by way of a single opening. While the catalytic converter is well designed to lower the resulting harmful emission products generated by the engine. The system accomplishes this feat by transmuting pollutants into water vapor and other harmful gases that are significantly less harmful. Rounding up the exhaust assembly parts is the muffler. This is basically a metal container with chambers, baffles and holes. The resonator which works with the muffler to cut back exhaust noise and the tail pipe designed to direct exhaust gases away from the vehicle, are also included. As for common system troubles, rocks, dirt, and mud contribute a great deal in the failure of the Mazda exhaust system. If one notices that the engine seems to be running on less power, or if foul odors or odd noises are coming from the muffler or any portion of the exhaust pipes, then it's already best to have the Mazda exhaust system checked and if already beyond repair, replaced by a professional.
About the Author
Anthony Fontanelle is a 35-year-old automotive buff who grew up in the Windy City. He does freelance work for an automotive magazine when he is not busy customizing cars in his shop.
Exhaust Manifolds
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ford 390 fe galaxie exhaust manifolds or headers?
i am curious headers or manifolds how much horse power difference is there. what would you choose?
If you can find some free breathing manifolds off of a 428, I'd go with those. Otherwise, it's headers - hands down. The stock 390 manifolds are horrible.
Removing the Exhaust Manifold on a Ford 6.9 Diesel Engine