What%27s in catalytic converters - Aug 13, 2020 · Two-way catalytic converters do a poor job of reducing NOx (nitrogen oxides), which led to the development of three-way plus air converters. 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). Most vehicles built since the early 1980s use three ...

 
Mar 23, 2022 · According to the Highway Loss Data Institute, “The catalytic converters of hybrids need more of the precious metals to work properly because they don’t get as hot as those installed on conventional vehicles, since the combustion engines of hybrids only run part of the time.” Thieves also look for large pickup trucks and other high-riding ... . Bbrtspercent27

Palladium has a price of $2,049 per ounce or $65 per gram. Platinum has a price of $977 per ounce or $31 per gram. On average, a catalytic converter contains 3-7 grams of platinum, 2-7 grams of palladium, and 1-2 grams of rhodium. Speaking purely in numbers, that’s at least $700 in precious metals alone, but there’s a catch.A catalytic converter is part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment through a chemical reaction.Oct 8, 2021 · The department hopes the combination of license plate numbers etched on converters; a sticker that reads, “This vehicle’s catalytic converter has been etched by the Takoma Park Police Dept ... Oct 26, 2021 · For catalytic converters, the repair order showing when the repair involving the catalytic converter was removed and that vehicle’s identification number; For those not authorized to repair catalytic converters, a receipt from a person or company that repairs, overhauls, dismantles, or works on motor vehicles However, when it comes to catalytic converter thefts, thieves spare no one. The mechanics we spoke to said the most targeted cars for catalytic converter thefts are “regular” cars that common folk drive. Between January and May 2021, car thieves stole almost 26,000 catalytic converters in the United States. This equates to 5200 thefts a month!Watch a Catalytic Converter in Action. In Wichita, Kansas, thieves stole "more than 500" catalytic converters in 2020 as compared to "fewer than 200" in 2019, according to KAKE ABC. Thieves in ...Oct 8, 2021 · The department hopes the combination of license plate numbers etched on converters; a sticker that reads, “This vehicle’s catalytic converter has been etched by the Takoma Park Police Dept ... A catalytic converter is responsible for transforming 98% of harmful emissions into less toxic emissions. Note, we say less poisonous and not harmless emissions.Apr 6, 2021 · The main purpose of a catalytic converter is to reduce harmful gases. It also helps optimize the vehicle's performance and efficiency. Yes, it is somewhat true that eliminating the cat will notably improve the performance of a car, as there is no scope for exhaust backpressure which is caused because of clogged cat- combs. 3. Toyota Prius. Toyota. The Toyota Prius is especially attractive when it comes to catalytic converter theft. This is partly due to the fact its gasoline-electric hybrid powertrain’s internal ...Part of the scare and frustration of catalytic converters is the fact that prices for replacement vary wildly. The main difference in lies within direct-fit vs a universal fit unit. For many vehicles, a muffler shop can easily weld in a universal replacement converter for $2-300.00. Jul 30, 2023 · Just the words "catalytic converter theft" can make car owners shudder. It's a highly inconvenient issue that's on the rise due to the valuable metals within these critical emissions-control devices. Three different chemical reactions are going on at the same time, that’s why it is also known as three-way catalytic converters. Some, less-effective converters carry out only the second two oxidation addition reactions, so they’re called two-way catalytic converters. After the catalyst has done its job, what emerge from the exhaust is ...Jul 1, 2022 · The most expensive catalytic converter in 2020 belonged to the Ferrari F430, which requires two catalytic converters that are valued at $4,500 each. In Conclusion Rhodium is a precious chemical element that helps clear toxins from the exhaust of automobiles. Last year alone, more than 14,000 were stolen from cars and trucks. That's in part because of soaring prices for some valuable metals inside the converters. The price of rhodium, for instance, has ...Jul 11, 2019 · What year did catalytic converters become mandatory? The average automobile was a toxic chemical factory before catalytic converters became government-mandated equipment in 1972. Oxides of nitrogen and lead, unburned fuel, sulfur dioxide and huge amounts of carbon monoxide poured forth in abundance, polluting groundwater and atmosphere alike. Catalytic converters reduce 87% of hydrocarbon emissions, 85% carbon monoxide & 62% nitrous oxide throughout the expected car life. The catalytic converter is an essential device in gas-fueled cars. If the car generates emissions, it requires this converter. It reduces harmful emissions from the cars. 3. Toyota Prius. Toyota. The Toyota Prius is especially attractive when it comes to catalytic converter theft. This is partly due to the fact its gasoline-electric hybrid powertrain’s internal ...Jun 12, 2023 · What To Pay Attention To With Converter Prices. Watch two primary markets; platinum and palladium. These are the two largest indicators for the market and how the recovery for catalytic converters will happen down the road….compare the prices to the last 12 months of pricing, or even 5 years, and you can see where the metals markets are and where the prices could be. A recycled catalytic converter from a car, stolen or not, can fetch between $150 and $250, but converters from trucks can be worth as much as $1,500. The value is due to the rare metals needed to make the converter work: palladium, rhodium, and platinum. Most of you would probably guess that platinum is the most valuable of the metals.Part of the scare and frustration of catalytic converters is the fact that prices for replacement vary wildly. The main difference in lies within direct-fit vs a universal fit unit. For many vehicles, a muffler shop can easily weld in a universal replacement converter for $2-300.00.May 27, 2023 · Simply search by make, model, or serial number to get an estimate of its worth. Ecotrade Group has an app called Eco Cat that provides access to over 20,000 scrap catalytic converter codes with prices and pictures. You can use this tool to quickly look up the value of your converter and get a quote from a buyer. Oct 9, 2022 · 2. Clogging up of the catalytic converter. The photo on the left shows a clogged up catalytic converter from one of the cars we repaired. There are many reasons that can cause the catalytic converter to clog up, including bad gasoline, increased engine oil consumption, coolant leaks from the intake or a head gasket. Catalytic converters are a key component of your car’s exhaust system. Their purpose is to turn the dangerous pollutants that are produced in your car’s engine into benign compounds. The ultimate goal of this auto part is to decrease the environmental harm caused by vehicle emissions.May 8, 2021 · Governors Urge Biden To Order 100% Zero-Emission Car Sales By 2035. The organization blames the under-vehicle crime wave on much higher prices for the valuable metals inside catalytic converters ... Apr 6, 2021 · The main purpose of a catalytic converter is to reduce harmful gases. It also helps optimize the vehicle's performance and efficiency. Yes, it is somewhat true that eliminating the cat will notably improve the performance of a car, as there is no scope for exhaust backpressure which is caused because of clogged cat- combs. 4. Cut The Exhaust Pipes Off Your Scrap Car. When you are prepping your catalytic converter for the scrap yard we mentioned above, do not remove the honeycomb, but you also want to make sure you keep the shell of the catalytic converter on. However, on either end of it are the exhaust pipes. These can be removed and cut as close to the shell as ...Part of the scare and frustration of catalytic converters is the fact that prices for replacement vary wildly. The main difference in lies within direct-fit vs a universal fit unit. For many vehicles, a muffler shop can easily weld in a universal replacement converter for $2-300.00. Catalytic converters play an important role in reducing harmful emissions from vehicles. They work by utilizing chemical reactions to convert pollutants such as carbon monoxide and nitrogen oxide into less harmful substances like water and carbon dioxide. This process is facilitated through the use of metal catalysts that promote and accelerate chemical reactions. In addition, […]The upstream (before the catalytic converter) O2 sensor is the primary input to the powertrain control module (PCM) for fuel control. That being said, the PCM often uses the downstream (after the catalytic converter) O2 sensor to fine-tune the air-fuel mixture. So, yes, driving without the catalytic converter can lead to reduced fuel mileage.Aug 4, 2023 · Palladium has a price of $2,049 per ounce or $65 per gram. Platinum has a price of $977 per ounce or $31 per gram. On average, a catalytic converter contains 3-7 grams of platinum, 2-7 grams of palladium, and 1-2 grams of rhodium. Speaking purely in numbers, that’s at least $700 in precious metals alone, but there’s a catch. Aug 13, 2020 · Two-way catalytic converters do a poor job of reducing NOx (nitrogen oxides), which led to the development of three-way plus air converters. 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). Most vehicles built since the early 1980s use three ... The organization blames the under-vehicle crime wave on much higher prices for the valuable metals inside catalytic converters. One metal, rhodium, has skyrocketed to about $28,000 an ounce ...3. Toyota Prius. Toyota. The Toyota Prius is especially attractive when it comes to catalytic converter theft. This is partly due to the fact its gasoline-electric hybrid powertrain’s internal ...The type of catalytic converter a car has may depend on: The car’s size. Whether it’s a hybrid (hybrid engines don’t run as hot, which affects how the catalytic converter operates) Where the catalytic converter is located. The catalysts used. Whether the converter is approved in California ...U³Ù¾ß~3 þʪÿÙÝ ÿ·éuÛ9FøIB ‰+ëpWíxêèÃîã ‡ ( ÄH"“l"÷}Óòë {…{ £={ªè“¯ÄÓ(ñ5Iwÿ` ²¸¡ •¤¤q^ÿl¿êtµö6ÿÁ’Ú ÚŽó ... Catalytic converters are a key component of your car’s exhaust system. Their purpose is to turn the dangerous pollutants that are produced in your car’s engine into benign compounds. The ultimate goal of this auto part is to decrease the environmental harm caused by vehicle emissions.May 21, 2021 · Recyclers will pay between $50 and $250 for a catalytic converter, according to the NICB. The metals can be sold for even more if lifted from hybrid gas-electric cars like a Prius. "All the newer ... Feb 15, 2023 · That said, replacing a catalytic converter can cost anywhere between a few hundred dollars to well over two thousand. The average cost is typically between $900 and $2,500, depending on the situation. It’s best to visit multiple well-respected mechanics and get several estimates to find the best price in your area. Jul 30, 2023 · Just the words "catalytic converter theft" can make car owners shudder. It's a highly inconvenient issue that's on the rise due to the valuable metals within these critical emissions-control devices. Sep 5, 2023 · Catalytic Converters. ( September 7th, 2023, 8:00 am ) Metal/Material. Current Price. National Catalytic Converter Average. Average price for catalytic converters in the US. VIEW METAL DETAILS. $82.02/each. Large Foreign Cat. How Many Catalytic Converters Were Stolen in 2022? As Many As 153,000 Catalytic converter theft has been a serious threat to car owners for years, but it turns out there have been far more incidents than previously reported, new Carfax data shows – as many as 153,000 in the U.S. in 2022.May 27, 2023 · Simply search by make, model, or serial number to get an estimate of its worth. Ecotrade Group has an app called Eco Cat that provides access to over 20,000 scrap catalytic converter codes with prices and pictures. You can use this tool to quickly look up the value of your converter and get a quote from a buyer. A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power).Jul 1, 2022 · The most expensive catalytic converter in 2020 belonged to the Ferrari F430, which requires two catalytic converters that are valued at $4,500 each. In Conclusion Rhodium is a precious chemical element that helps clear toxins from the exhaust of automobiles. A catalytic converter is an exhaust emission control device of your vehicle that is responsible for reducing the amount of pollutants and toxic gases from the exhaust gas. Exhaust gas is the result of the internal ignition of the engine of a vehicle. It contains a lot of pollutants and toxic gases that harm the environment after coming out ...In this article, you’ll learn the following: GM catalytic converter scrap values are usually $80.56 – $312.12. Ford catalytic converter scrap values are usually $47.82 – $911.73. Honda catalytic converter scrap values are usually $72.56 – $453.40. Dodge catalytic converter scrap values are usually $84.12 – $1,125.71.Dec 26, 2022 · A catalytic converter is an exhaust emission control device of your vehicle that is responsible for reducing the amount of pollutants and toxic gases from the exhaust gas. Exhaust gas is the result of the internal ignition of the engine of a vehicle. It contains a lot of pollutants and toxic gases that harm the environment after coming out ... In this article, you’ll learn the following: GM catalytic converter scrap values are usually $80.56 – $312.12. Ford catalytic converter scrap values are usually $47.82 – $911.73. Honda catalytic converter scrap values are usually $72.56 – $453.40. Dodge catalytic converter scrap values are usually $84.12 – $1,125.71.National Catalytic Converter Average. Average price for catalytic converters in the US. VIEW METAL DETAILS. $82.02/each. Large Foreign Cat. Larger foreign sized cat. GET QUOTE. VIEW METAL DETAILS. $76-$456/each.Catalytic converters reduce 87% of hydrocarbon emissions, 85% carbon monoxide & 62% nitrous oxide throughout the expected car life. The catalytic converter is an essential device in gas-fueled cars. If the car generates emissions, it requires this converter. It reduces harmful emissions from the cars. Feb 15, 2023 · That said, replacing a catalytic converter can cost anywhere between a few hundred dollars to well over two thousand. The average cost is typically between $900 and $2,500, depending on the situation. It’s best to visit multiple well-respected mechanics and get several estimates to find the best price in your area. In St. Louis, catalytic converter thefts jumped more than eightfold, from 50 in 2019 to 420 last year, with the trend gaining speed near the end of the year into early 2021. In Lexington, S.C ...What’s slowing the catalytic converter crime wave? Stolen catalytic converters aren’t worth as much anymore. The price of palladium has fallen in recent months.May 27, 2023 · Simply search by make, model, or serial number to get an estimate of its worth. Ecotrade Group has an app called Eco Cat that provides access to over 20,000 scrap catalytic converter codes with prices and pictures. You can use this tool to quickly look up the value of your converter and get a quote from a buyer. 2011-17. Chrysler 200. 2001-21. Toyota Prius. These are just the models that most commonly get their catalytic converters stolen. Your vehicle could also be at risk for catalytic converter theft based on a few other factors. Here’s an idea of which types of vehicles are even more at-risk for catalytic converter theft:Dec 14, 2022 · The metals in catalytic converters are catalysts. Catalysts are compounds that trigger a chemical reaction without being affected themselves. Catalytic converters have a honeycomb structure because it provides a lot of surface area for a lot of reactions. Catalytic converters use elements like Platinum (Pt), Palladium (Pd), and Rhodium (Rh) as ... A catalytic converter is a device that uses a catalyst to convert three harmful compounds in car exhaust into harmless compounds. Nitrogen oxides (created when the heat in the engine forces nitrogen in the air to combine with oxygen) Carbon monoxide is a poison for any air-breathing animal. Nitrogen oxides lead to smog and acid rain, and ...The catalytic converter's construction is as follows: The catalyst support or substrate. For automotive catalytic converters, the core is usually a ceramic monolith that has... The washcoat. A washcoat is a carrier for the catalytic materials and is used to disperse the materials over a large... ...Apr 19, 2023 · The NICB says a typical catalytic converter can fetch anywhere from “$50 to $250” apiece. That might not sound like much, but consider that a quick-working thief needs a few short minutes to ... When did they start putting catalytic converters on cars? The first widespread introduction of catalytic converters was in the United States automobile market. To comply with the U.S. Environmental Protection Agency ‘s stricter regulation of exhaust emissions, most gasoline-powered vehicles starting with the 1975 model year are equipped with ...Mar 2, 2023 · Compare the flow to a similar car if possible. 3. High or low fuel consumption. Better or worse gas mileage is one of the symptoms of a poor catalytic converter. While better gas mileage may sound like a good deal, it can damage your engine and may cause even more expensive repairs. A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power).The type of catalytic converter a car has may depend on: The car’s size. Whether it’s a hybrid (hybrid engines don’t run as hot, which affects how the catalytic converter operates) Where the catalytic converter is located. The catalysts used. Whether the converter is approved in California ...A catalytic converter is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction. The department hopes the combination of license plate numbers etched on converters; a sticker that reads, “This vehicle’s catalytic converter has been etched by the Takoma Park Police Dept ...A catalytic converter is a device that uses a catalyst to convert the three harmful compounds into harmless ones. The catalyst formulation comprises three key constituents: precious metals (platinum, palladium, rhodium), alumina, and rare-earth-based materials which enhance catalytic activity of the metals. A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power).Three different chemical reactions are going on at the same time, that’s why it is also known as three-way catalytic converters. Some, less-effective converters carry out only the second two oxidation addition reactions, so they’re called two-way catalytic converters. After the catalyst has done its job, what emerge from the exhaust is ...Below are the benefits of high-flow cats: 1. Prevents improper fuel mix. An aftermarket high-flow converter can help prevent some of the commonly experienced issues with newer fuel systems. In most cars, the cat becomes clogged over time, especially when other fuel system parts aren’t working properly. Apr 19, 2023 · The NICB says a typical catalytic converter can fetch anywhere from “$50 to $250” apiece. That might not sound like much, but consider that a quick-working thief needs a few short minutes to ... Compare the flow to a similar car if possible. 3. High or low fuel consumption. Better or worse gas mileage is one of the symptoms of a poor catalytic converter. While better gas mileage may sound like a good deal, it can damage your engine and may cause even more expensive repairs.A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power).A catalytic converter is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction. Catalytic Converters Clean The Air An engine is an inherently unclean machine. It mixes fuel and air, compresses it, ignites it, and uses the explosion from that ignition thousands of times per...A catalytic converter is an exhaust emission control device of your vehicle that is responsible for reducing the amount of pollutants and toxic gases from the exhaust gas. Exhaust gas is the result of the internal ignition of the engine of a vehicle. It contains a lot of pollutants and toxic gases that harm the environment after coming out ...2. Clogging up of the catalytic converter. The photo on the left shows a clogged up catalytic converter from one of the cars we repaired. There are many reasons that can cause the catalytic converter to clog up, including bad gasoline, increased engine oil consumption, coolant leaks from the intake or a head gasket.The upstream (before the catalytic converter) O2 sensor is the primary input to the powertrain control module (PCM) for fuel control. That being said, the PCM often uses the downstream (after the catalytic converter) O2 sensor to fine-tune the air-fuel mixture. So, yes, driving without the catalytic converter can lead to reduced fuel mileage.Watch a Catalytic Converter in Action. In Wichita, Kansas, thieves stole "more than 500" catalytic converters in 2020 as compared to "fewer than 200" in 2019, according to KAKE ABC. Thieves in ...A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power).A ‘catalyst’ is a substance that accelerates a chemical reaction, and within a catalytic converter, there are two types of catalyst. The first is a reduction catalyst which uses platinum and ...Jun 14, 2023 · Catalytic converters are a key component of your car’s exhaust system. Their purpose is to turn the dangerous pollutants that are produced in your car’s engine into benign compounds. The ultimate goal of this auto part is to decrease the environmental harm caused by vehicle emissions. Part of the scare and frustration of catalytic converters is the fact that prices for replacement vary wildly. The main difference in lies within direct-fit vs a universal fit unit. For many vehicles, a muffler shop can easily weld in a universal replacement converter for $2-300.00.Aug 13, 2016 · A catalytic converter makes no use if short distances are run, Like in my town. When he is hot, he cleans well. Problems with a catalytic converter can occur when exhaust-gas is rich in fuel becouse of faulty fuel injection, And/or sensors are broken, it can melt down, and clog exhaust system. The historical meaning of its name comes from chemistry, where a catalyst is an accelerator for a reaction. In this case, the catalytic converter receives exhaust gases, a chemical reaction occurs ... Just the words "catalytic converter theft" can make car owners shudder. It's a highly inconvenient issue that's on the rise due to the valuable metals within these critical emissions-control devices.Catalytic converters often last for at least 10 years, or between 70,000 and 100,000 miles. However, it’s possible that the catalytic converter on a car that is used only for short start-stop journeys could wear out faster because the engine and cat won’t be able to reach their optimum operating temperature before being switched off.A catalytic converter is part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment through a chemical reaction.Oct 6, 2022 · Catalytic converters first appeared in the mid-1970s and quickly started to be used universally. It is a part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment through chemical reactions. Most hydrocarbons, carbon monoxide, and nitrogen oxides convert into the “less ...

The metals in catalytic converters are catalysts. Catalysts are compounds that trigger a chemical reaction without being affected themselves. Catalytic converters have a honeycomb structure because it provides a lot of surface area for a lot of reactions. Catalytic converters use elements like Platinum (Pt), Palladium (Pd), and Rhodium (Rh) as .... 44 502 pill

what%27s in catalytic converters

A catalytic converter typically has around 13 ounces of tungsten, making up about 90% of its weight and worth around 40$ on the market. The rest includes some copper, lead and nickel – all with lesser amounts exceeding two pounds each. Platinum accounts for about 0.03% of catalytic converter weight and is worth around 38 $ per gram. A catalytic converter can overheat due to excessive amounts of unburned gas, which may be caused by a leaky exhaust valve or a misfiring spark plug. Other causes include: A malfunctioning oxygen sensor, Unburned fuel, or. Poor maintenance. Symptoms associated with a bad converter include: Engine misfires, A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power).Part of the scare and frustration of catalytic converters is the fact that prices for replacement vary wildly. The main difference in lies within direct-fit vs a universal fit unit. For many vehicles, a muffler shop can easily weld in a universal replacement converter for $2-300.00. When did they start putting catalytic converters on cars? The first widespread introduction of catalytic converters was in the United States automobile market. To comply with the U.S. Environmental Protection Agency ‘s stricter regulation of exhaust emissions, most gasoline-powered vehicles starting with the 1975 model year are equipped with ...Sep 5, 2023 · Catalytic Converters. ( September 7th, 2023, 8:00 am ) Metal/Material. Current Price. National Catalytic Converter Average. Average price for catalytic converters in the US. VIEW METAL DETAILS. $82.02/each. Large Foreign Cat. Thefts of catalytic converters have spiked nationwide 01:47. Motorists across the U.S. are increasingly being met with a roaring noise when they turn on the ignition due to surging thefts of ...Oct 6, 2022 · Catalytic converters first appeared in the mid-1970s and quickly started to be used universally. It is a part of your car’s exhaust system that converts harmful engine-exhaust pollutants into something less harmful to the environment through chemical reactions. Most hydrocarbons, carbon monoxide, and nitrogen oxides convert into the “less ... Here’s why. Nation Aug 12, 2022 11:19 AM EDT. Across the country, reported catalytic converter thefts have skyrocketed in the last few years. Annual thefts of the auto part, which is tucked ...The average catalytic converter has 3 to 7 grams of platinum worth about $100 – $237. Platinum is more valuable than gold, silver, and even palladium and is a good target for thieves. As of 2022, the platinum price is $997 per ounce and $32.18 per gram. Keep in mind the platinum price constantly fluctuates. How Many Catalytic Converters Were Stolen in 2022? As Many As 153,000 Catalytic converter theft has been a serious threat to car owners for years, but it turns out there have been far more incidents than previously reported, new Carfax data shows – as many as 153,000 in the U.S. in 2022.CARB Compliant Catalytic Converters. Shop By Vehicle. Filter - 201 Products. Sort By Featured. FILTERS. Clear Filters. Part Type. Catalytic Converter. Catalytic Converter with Integrated Exhaust Manifold.Feb 18, 2022 · A catalytic converter is a large metal box, bolted to the underside of your car, that has two pipes coming out of it. One of them (the converter's "input") is connected to the engine and brings in hot, polluted fumes from the engine's cylinders (where the fuel burns and produces power). .

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