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Best High Flow Catalytic Converter (2024 Updated)

If you’re looking for an upgrade for your car’s performance, a high flow catalytic converter might just be what you need. Catalytic converters reduce emissions and pollution, but the factory ones often restrict airflow and negatively affect your car’s power. A high flow catalytic converter can help improve your vehicle’s horsepower and torque, while still reducing emissions.

Before purchasing a high flow catalytic converter, there are a few factors to consider. Firstly, make sure it’s legal in your area, as laws on emissions vary by state and country. Secondly, consider the size and fit of the converter to ensure it’s compatible with your vehicle. Finally, consider the quality of the converter, as a low-quality one can negatively affect your car’s performance.

Are you tired of your car feeling sluggish and weighed down? A high flow catalytic converter could be the answer to your problems. Not only does it improve performance, but it also reduces emissions – a win-win situation. But before buying, make sure it’s legal and compatible with your vehicle, and choose a high-quality one for optimal results. So, why not give your car a boost and invest in a high flow catalytic converter today?

10 Best High Flow Catalytic Converter

# Product Image Product Name Product Notes Check Price
1
This product is ideal for replacing the catalytic converter and exhaust manifold in a Mazda CX-5.
2
FOMIUZY catalytic converter reduces emissions and improves exhaust flow for maximum engine efficiency.
3
The product is ideal for reducing exhaust emissions in vehicles and improving overall air quality.
4
This product is ideal for enhancing the performance of a vehicle's exhaust system by reducing emissions and increasing airflow.
5
This product is ideal for improving exhaust flow and reducing emissions in various vehicles.
6
This product is ideal for improving the flow and performance of vehicles' exhaust systems.
7
It is ideal for improving exhaust flow and reducing emissions in specific Chevrolet, Buick, GMC, and Saturn models.
8
This product is ideal for improving exhaust flow and reducing emissions in a variety of vehicles.
9
The product is ideal for improving the performance of a vehicle's exhaust system and meeting EPA emissions standards.
10
The product is ideal for reducing harmful emissions from vehicles and ensuring compliance with EPA regulations.
This product is ideal for replacing the catalytic converter and exhaust manifold in a Mazda CX-5.
FOMIUZY catalytic converter reduces emissions and improves exhaust flow for maximum engine efficiency.
The product is ideal for reducing exhaust emissions in vehicles and improving overall air quality.
This product is ideal for enhancing the performance of a vehicle's exhaust system by reducing emissions and increasing airflow.
This product is ideal for improving exhaust flow and reducing emissions in various vehicles.
This product is ideal for improving the flow and performance of vehicles' exhaust systems.
It is ideal for improving exhaust flow and reducing emissions in specific Chevrolet, Buick, GMC, and Saturn models.
This product is ideal for improving exhaust flow and reducing emissions in a variety of vehicles.
The product is ideal for improving the performance of a vehicle's exhaust system and meeting EPA emissions standards.
The product is ideal for reducing harmful emissions from vehicles and ensuring compliance with EPA regulations.

1. Maxflow Manifold Converter Kit For Mazda Cx-5

If your engine is showing the P0420 code or your catalytic converter has been stolen, this direct replacement kit is highly recommended to solve the issue. The catalytic converter can fix faults and reduce noise, as well as purify the car exhaust. It is manufactured to meet or exceed OEM standards and has undergone rigorous testing in the factory. The kit is a perfect match for the original car and can be installed directly.

The high-quality aluminized stainless steel body of this catalytic converter ensures excellent oxygen storage capacity and a long service life. The double-layer high-temperature resistant ceramic carrier significantly increases the flow rate and surface area, ultimately improving power and fuel economy. Replacing your old catalytic converter with this new one will provide you with excellent clean air performance, restore the quietness of your vehicle, and give you a good driving experience.

This catalytic converter is specifically designed to fit 2013-2015 Mazda CX5 2.0L models. It is manufactured with strict production procedures and adheres to EPA standards and OBD2 standards. However, due to increased emission standards in California, Colorado, New York, and Maine, sales are currently not available in these states. Rest assured, we are working on developing options for these states.

You can buy this catalytic converter with confidence as it comes with a lifetime warranty. If the part fails or breaks, simply contact us for a replacement. Save hundreds of dollars off dealer prices and take advantage of this warranty. The price is reasonable and the quality is guaranteed, so there's no need to worry about any issues with this product.

Pros

  • Direct replacement kit to solve engine faults and noise
  • Meets or exceeds OEM standards and perfectly matches original car
  • High-quality aluminized stainless steel body that is rust-resistant
  • Double-layer high-temperature resistant ceramic carrier increases flow rate and surface area for improved power and fuel economy
  • Lifetime warranty for added peace of mind

Cons

  • – Not currently available for purchase in California, Colorado, New York, and Maine due to increased emission standards

2. Flowmaster Universal Catalytic Converter With O2 Port

If your car engine is throwing P0420 code or if your catalytic converter is stolen, this kit is a recommended solution. The catalytic converter can repair faults and noise to purify car exhaust, meeting or exceeding OEM standards. It has been factory tested to ensure it perfectly matches the original car and can be installed directly. This direct replacement guarantees excellent clean air performance and restores the quietness of your vehicle, providing you with a good driving experience.

The high-quality stainless steel body of aluminized pipes is rust-resistant, ensuring excellent oxygen storage capacity and long service life. The double-layer high-temperature-resistant ceramic carrier greatly increases flow rate and surface area, improving power and fuel economy. The catalytic converter is suitable for vehicles with 2.5-inch inlet and outlet and 11-inch overall length. Please check your vehicle exhaust size before purchasing to ensure compatibility.

Our catalytic converters are produced with strict manufacturing procedures that comply with EPA and OBD3 standards. However, sales are not available in California, Colorado, New York, and Maine due to the increased emission standards in these states. Customers in these states can rest assured that we are currently developing a solution. Purchase with confidence, as our catalytic converter tube pipe assembly comes with a lifetime warranty. If the part fails or breaks, we will provide a replacement. Save hundreds of dollars off dealer prices by purchasing this part with our guaranteed quality and price concessions.

Pros

  • Direct replacement for P0420 code and stolen catalytic converters
  • Factory tested and meets or exceeds OEM standards
  • High-quality stainless steel body of aluminized pipes is rust-resistant
  • Double-layer high-temperature-resistant ceramic carrier increases flow rate and surface area, improving power and fuel economy
  • Suitable for vehicles with 2.5-inch inlet and outlet and 11-inch overall length
  • Complies with EPA and OBD3 standards
  • Lifetime warranty included

Cons

  • – Sales not available in California, Colorado, New York, and Maine due to increased emission standards

3. Slp M31040 High Flow Catalytic Converter – Pair

Upgrade your vehicle's exhaust system with this high-quality pair of catalytic converters that are designed to fit any 2.5-inch exhaust. Constructed with durable stainless steel, these catalytic converters are built to last and withstand harsh environmental conditions. They also feature a ceramic substrate, which ensures optimal performance and efficiency.

Measuring 12 inches in length and 5 inches in width, these catalytic converters are the perfect size for dual exhaust applications. The 2.5-inch inlet and outlet make installation quick and easy, so you can have your new exhaust system up and running in no time.

Not only do these catalytic converters improve the performance of your vehicle, but they also help to reduce emissions and promote a cleaner environment. Upgrade your exhaust system today and experience the benefits of these high-quality catalytic converters.

Pros

  • Durable stainless steel construction ensures long-lasting performance
  • Ceramic substrate provides optimal efficiency and performance
  • Easy to install with 2.5-inch inlet and outlet
  • Helps to reduce emissions and promote a cleaner environment

4. Stainless Steel High Flow Cat – 2 Pack

Introducing a brand new high-quality catalytic converter that has been tested for safety, stability, and durability. This product is made with a durable stainless steel catalytic converter shell, aluminized steel pipe, and heat shield, providing excellent protection and long-lasting performance. The catalytic converter is compatible with universal 2.5 inch inlet fit and is crafted according to industry standards, ensuring reliability and durability.

Before purchasing, please check the part number 410250 to ensure a perfect fit. This catalytic converter is EPA certified, making it an environmentally friendly option. It is designed for easy installation and does not require cutting or welding, making it a hassle-free upgrade for your vehicle. In addition, the manufacturer provides 100% perfect customer service and is always available to answer any questions you may have. Upgrade your vehicle's performance and reduce emissions with this top-quality catalytic converter.

Pros

  • Made of high-quality and durable stainless steel catalytic converter shell, aluminized steel pipe, and heat shield
  • Compatible with universal 2.5 inch inlet fit
  • EPA certified for an environmentally friendly option
  • Designed for easy installation without cutting or welding
  • Crafted according to industry standards for product durability and reliability
  • 100% perfect customer service

5. Mayasaf High Flow Catalytic Converter – 2pk

The Universal Catalytic Converter is an EPA certified exhaust system component, designed to replace the original catalytic converter in vehicles. It is made from HD-Stainless steel, with a high flow design that provides more oxygen to the engine. This helps to improve the vehicle's performance and reduce harmful emissions.

The converter has a standard 3-inch inside diameter inlet/outlet and an overall length of 11 inches. It is a universal fit for vehicles with similar size outer diameter exhaust pipes. However, it is important to ensure that this item fits the specific make and model of the vehicle before making a purchase.

The installation process is easy and straightforward, as it is matched with the original vehicle and can be installed easily to the existing exhaust system. However, it may require cutting and/or welding, and professional installation is highly recommended.

This catalytic converter is fully tested under extreme conditions to ensure its durability and service life. It is backed by a 2-year or 50,000 miles limited warranty for any manufacturer defects. If you encounter any problems, the manufacturer is committed to resolving them promptly and satisfactorily.

Pros

  • EPA certified for reduced emissions
  • Made from HD-Stainless steel for durability
  • Improves vehicle performance by providing more oxygen to the engine
  • Backed by a 2-year or 50,000 miles limited warranty

Cons

  • – Not compatible with vehicles in certain states due to state emissions regulations
  • – May require cutting and/or welding during installation

6. Bonilora 2.5 Inch Universal Catalytic Converter Stainless Steel High Flow Performance Cat 410250

This high-quality catalytic converter is brand new and has been 100% tested for safety, stability, and durability before shipping. Its part number is 410250, so make sure to check this before purchasing to ensure fitment. The catalytic converter is compatible with a universal 2.5-inch inlet fit and has EPA certification. It is highly resistant to corrosion and wear, making it a long-lasting solution for your vehicle's emissions control. The catalytic converter is also highly efficient and performs effectively. It is easy to install with a plug-and-play design, making it a direct replacement for your vehicle's original factory component. The manufacturer provides excellent customer service and is available to answer any questions you may have.

Upgrade your vehicle's emissions control with this reliable and efficient catalytic converter. With its high-quality materials and excellent performance, you can trust that it will last for years to come. Its easy installation process and compatibility with a universal 2.5-inch inlet fit make it a convenient and cost-effective solution for your vehicle. Its EPA certification ensures that it meets or exceeds emissions standards, making it an eco-friendly choice. Contact the manufacturer with any questions or concerns about this product.

Pros

  • Brand new and high-quality materials
  • 100% tested for safety, stability, and durability
  • EPA certified for emissions control
  • Highly resistant to corrosion and wear
  • Efficient and effective performance
  • Easy to install with plug-and-play design
  • Direct replacement for factory component
  • Excellent customer service

7. Catalytic Converter For Gm Suvs – High Flow

Upgrade your vehicle's performance with this high-quality catalytic converter, designed to provide a perfect fit for Buick Enclave 3.6L 6 Cylinder 2008-2017, Chevrolet Traverse 3.6L 6 Cylinder 2009-2017, GMC Acadia 3.6L 6 Cylinder 2007-2017, and Saturn Outlook 3.6L 6 Cylinder 2007-2010.

Crafted with a ceramic carrier that completely fills the interior of a metal shell, this catalytic converter features a honeycomb, hollow design that is coated with rare earth stabilizer metals, such as CeO2, to improve heat resistance and extend service life.

With a high flow design that retains maximum engine output and maximizes catalytic efficiency, this catalytic converter delivers more oxygen to your engine for an increase in power and performance. Plus, it is built to match the original car mold for a highly fit and perfect workmanship.

Upgrade your vehicle's performance with this high-quality catalytic converter, designed to provide a perfect fit for Buick Enclave 3.6L 6 Cylinder 2008-2017, Chevrolet Traverse 3.6L 6 Cylinder 2009-2017, GMC Acadia 3.6L 6 Cylinder 2007-2017, and Saturn Outlook 3.6L 6 Cylinder 2007-2010.

Crafted with a ceramic carrier that completely fills the interior of a metal shell, this catalytic converter features a honeycomb, hollow design that is coated with rare earth stabilizer metals, such as CeO2, to improve heat resistance and extend service life.

With a high flow design that retains maximum engine output and maximizes catalytic efficiency, this catalytic converter delivers more oxygen to your engine for an increase in power and performance. Plus, it is built to match the original car mold for a highly fit and perfect workmanship.

Pros

  • Perfect fit for specific vehicle models
  • High-quality ceramic carrier filled metal shell
  • Rare earth stabilizer metals improve heat resistance and extend service life
  • High flow design maximizes catalytic efficiency
  • Provides more oxygen for engine power and performance

8. 3 Inch Catalytic Converter Universal High Flow Front 3 Inch Inlet/outlet Cat Converter Dircet Fit

The KASSEN 3.0 Inch Universal Catalytic Converter is designed to fit most vehicles with a similar size OD exhaust. It features a standard 3" ID inlet/outlet and is made of high-quality stainless steel that is highly resistant to heat, rust, and corrosion. This ensures that the converter lasts longer without any fear of bending or melting, even under extreme conditions.

Please note that this catalytic converter cannot be shipped to California, Colorado, New York, and Maine due to state regulations on aftermarket converters. Therefore, it is important to check your state's regulations before purchasing.

Installation of this universal catalytic converter is relatively easy as it matches the original car and can be easily installed into the existing exhaust system. However, it may require cutting and/or welding, so professional installation is highly recommended.

KASSEN offers a 2-year warranty on this 3 Inch Universal Catalytic Converter. If you have any questions or concerns, please do not hesitate to contact them immediately.

Pros

  • Made of high-quality stainless steel for better durability and resistance to heat, rust, and corrosion
  • Universal fit for most vehicles with similar size OD exhaust
  • Comes with a 2-year warranty for added peace of mind

Cons

  • – Cannot be shipped to California, Colorado, New York, and Maine due to state regulations

9. Mayasaf High Flow Catalytic Converter – 2 Pack

The Universal Fit Catalytic Converter is a high-quality product that is designed to enhance the performance of your vehicle. The converter is made from HD-stainless steel and features a high-flow design to provide more oxygen to your engine. It is fully tested under extreme conditions for durability and longevity.

The converter has a standard 2.25-inch inside diameter inlet/outlet and an overall length of 11 inches, making it a universal fit for vehicles with similar size outer diameter exhaust pipes. Please ensure that this product is compatible with your vehicle before purchasing.

Installation of the Universal Fit Catalytic Converter is relatively easy and can be done by a professional. It is matched with the original vehicle and can be installed easily onto the existing exhaust system. However, it may require cutting and/or welding.

Please note that this product is not shipped to certain states such as California, Colorado, Maine, and New York, among others, due to state emissions regulations. It is advisable to consult your state’s aftermarket converter regulations before making a purchase.

The Universal Fit Catalytic Converter comes with a worry-free aftermarket EPA certification and is backed by a 2-year or 50,000-mile limited warranty for any manufacturer defects. If you encounter any problems, please feel free to contact the manufacturer and they will make it right for you.

Pros

  • Made from HD-stainless steel for durability and longevity
  • High flow design provides more oxygen to your engine for better performance
  • Universal fit for vehicles with similar size outer diameter exhaust pipes
  • Comes with a 2-year or 50,000-mile limited warranty for any manufacturer defects

Cons

  • – Not shipped to certain states due to state emissions regulations
  • – May require cutting and/or welding during installation

10. Autosaver88 Atcc0007 2.5" Inlet/outlet Universal Catalytic Converter (Epa Compliant)

The AUTOSAVER88 Universal Catalytic Converter is a high-efficiency device designed to fit vehicles with 2.5-inch outer diameter exhaust pipes. This product is not available for shipping to California and Colorado. It is recommended to have a professional install the device for optimal performance.

The internal honeycomb ceramic substrates of the converter have a porous structure to increase the reaction area, ensuring that sufficient catalysts (Pt, Rh, Pd) are on the coating surface for a higher conversion rate. The heavy-duty T409 stainless steel shell of the converter is highly resistant to heat, rust, and corrosion for longer service life. There is no worry about bending or melting even in extreme conditions.

This catalytic converter is EPA Federal Standard Certified and stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty for any manufacturer defect. With the AUTOSAVER88 Universal Catalytic Converter, you can enjoy worry-free driving with a product that is built to last.

Pros

  • High-efficiency device
  • Internal honeycomb ceramic substrates
  • Sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate
  • Heavy-duty T409 stainless steel shell highly resistant to heat, rust, and corrosion
  • EPA Federal Standard Certified
  • Exclusive EPA number stamped on the shell
  • 5-year or 50,000 miles limited warranty

Cons

  • – Not available for shipping to California and Colorado
  • – Professional installation recommended

Best High Flow Catalytic Converter FAQs

Are high flow catalytic converters street legal and compliant with emissions regulations?

Yes, high flow catalytic converters are street legal and compliant with emissions regulations. They are designed to reduce the amount of harmful pollutants that are released into the air by vehicles, while also improving the performance of the vehicle. These converters have a higher flow rate than traditional converters, which means they allow for greater exhaust flow and less restriction. This results in improved engine efficiency and increased horsepower. However, it is important to note that not all high flow catalytic converters are created equal. Some may not meet the exact specifications required by your state or local emissions regulations, so it is important to do your research before purchasing one. Additionally, it is crucial to have any aftermarket catalytic converter installed by a certified professional to ensure proper installation and compliance with emissions regulations.

Are there any downsides or potential drawbacks to using a high flow catalytic converter?

Yes, there are some potential drawbacks to using a high flow catalytic converter. While these devices are designed to improve engine performance by reducing backpressure, they can also have a negative impact on emissions. High flow catalytic converters may not be as effective at reducing harmful pollutants as their more restrictive counterparts, which can lead to increased air pollution and environmental damage. Additionally, these devices can be more expensive than traditional catalytic converters, which may make them less accessible to some vehicle owners. Finally, high flow catalytic converters can be more prone to failure due to the increased heat and pressure they experience, which can lead to costly repairs and replacements. Overall, while high flow catalytic converters can be a useful tool for improving engine performance, they are not without their potential drawbacks and should be used with caution.

How do I choose the right high flow catalytic converter for my specific make and model of vehicle?

Choosing the right high flow catalytic converter for your vehicle can be a challenging task, but it is essential to ensure optimal performance and compliance with emissions regulations. The first step is to identify the make and model of your vehicle, as well as its engine size and the type of fuel it uses. This information will help you narrow down your options and find a catalytic converter that is compatible with your vehicle.

Next, consider the type of catalytic converter that would best suit your needs. High flow catalytic converters are designed to improve exhaust flow and increase horsepower, but they may not be suitable for all vehicles. You should also consider the material and construction of the catalytic converter, as well as its size and shape.

It is also important to ensure that the catalytic converter you choose is compliant with local emissions regulations. This may involve researching the specific requirements for your area and checking that the catalytic converter you choose meets those standards.

Overall, choosing the right high flow catalytic converter requires careful consideration of your vehicle's make and model, as well as your specific needs and local regulations. By taking the time to research your options and consult with experts, you can find a catalytic converter that will help you get the most out of your vehicle while staying compliant with emissions regulations.

What are the benefits of installing a high flow catalytic converter on my vehicle?

Installing a high flow catalytic converter on your vehicle can provide several benefits. First and foremost, it can improve the performance of your vehicle by increasing horsepower and torque. This is because high flow catalytic converters allow for increased exhaust flow, which can help your engine breathe more easily and operate more efficiently.

Additionally, a high flow catalytic converter can help to reduce emissions from your vehicle. This is important for both environmental and regulatory reasons, as many areas have strict emissions standards that must be met in order to legally operate a vehicle.

Furthermore, high flow catalytic converters can often last longer than their traditional counterparts, meaning you won't need to replace them as frequently. This can save you both time and money in the long run.

Overall, if you're looking to improve the performance and environmental impact of your vehicle, installing a high flow catalytic converter is a smart choice. Just be sure to choose one that's compatible with your vehicle's make and model, and have it installed by a professional mechanic for best results.

What is a high flow catalytic converter and how does it differ from a standard catalytic converter?

A high flow catalytic converter is an upgraded version of a standard catalytic converter that is designed to improve the performance of a vehicle. The main difference between the two is that a high flow converter has a larger diameter and less restrictive design that allows for more air to flow through it. This increased flow helps to reduce back pressure in the exhaust system, which in turn improves the overall performance of the engine.

In addition to improving performance, a high flow catalytic converter also helps to reduce emissions by converting harmful pollutants into less harmful gases. This is done by using a series of precious metals, such as platinum and palladium, to catalyze the chemical reactions that break down the pollutants.

Overall, a high flow catalytic converter is a great option for those looking to improve the performance of their vehicle without sacrificing environmental responsibility. While it may be more expensive than a standard converter, the benefits it provides are well worth the investment.

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