Mazda Catalytic Converters

Written by Charles Peacock
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Replacing a catalytic converter in your Mazda not only ensures the best performance from your engine, but it is also necessary to ensure that your car meets current emissions standards. If you're in the market for a catalytic converter, you can save a substantial amount of money by purchasing a universal converter. To find the right catalytic converter for your Mazda, you'll need to know the size and type of converter that fits your car.

Universal Catalytic Converters

Catalytic converters are made in different sizes and strengths to fit differently sized cars. The smallest converters fit cars that weigh up to 5,500 pounds and have an engine that is no larger than 5.9 liters. These converters will work with most compact sedans and coupes. Larger converters are also available that work with cars up to 7,000 pounds with engines as large as 7.5 liters.

The next step in figuring out what converter you need is to determine the inlet/outlet setup of your car's exhaust system. Most cars require a catalytic converter with a single inlet and a single outlet, although some cars have more complex systems with dual inlets or outlets. Another thing to look for is whether your car requires an oxygen sensor or oxygen port on the converter itself.

Once you've determined the capacity and the shape of the converter, you now have to figure out what size the inlet and outlet should be. Smaller catalytic converters typically have one-and-three-quarters to two inch inlet and outlet. Larger ones may have inlets and outlets as large as three inches. It's also important to determine the length of the converter, which will usually be anywhere from 12 to 17 inches.

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