![]() ![]() Similar to direct-fit converters that bolt directly into a vehicle’s exhaust line, manifold catalytic converters are integrated into a vehicle’s exhaust manifold, a component that collects exhaust gases from multiple cylinders into a single pipe. ![]() (For more information on how to buy a catalytic converter, click here.) Little to no exhaust fabrication requiredĪs the name implies, universal catalytic converters can be installed in almost any vehicle, as long as the diameters of the inlet and outlet tubes are the same on the converter and the exhaust system, and it is the correct converter for the particular vehicle and the state it will be registered in.Because they are designed to exact specifications for each year/make/model of vehicle, direct-fit converters tend to be more expensive than universal converters. ![]() Little to no exhaust fabrication (cutting, welding or articulation) is required and they can usually be installed with basic hand tools. What is a Direct-Fit Catalytic Converter?ĭirect-fit catalytic converters have fittings on each end of the device that allow them to be fitted or bolted directly into the vehicle. Most vehicles built since the early 1980s use three-way catalytic converters that store and release oxygen as needed. In addition to the two oxidation catalysts, they add a third chemical process: a reduction catalyst that converts NOx into N2 (nitrogen) and O2 (oxygen). Two-way catalytic converters do a poor job of reducing NOx (nitrogen oxides), which led to the development of three-way plus air converters. Catalytic converters use chemical processes to convert harmful pollutants into less harmful emissions.Įarly catalytic converters were a two-way design, whereby exhaust gases flowed through a substrate that exposed them to heavy metals (such as platinum and palladium) as a means of causing chemical reactions. A critical component in satisfying emissions regulations has been the catalytic converter, sometimes called a “converter” or simply “cat” for short. The Different Types of Catalytic ConvertersĪug| Team MagnaFlow What is a Catalytic Converter?įollowing the Clean Air Act of 1970, automakers were tasked with reducing tailpipe emissions from the vehicles they produce. ![]()
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