MAGNAFLOW EXHAUST PRODUCTS 21-071 Converter Catalytic 888563148984 49

( Brand: Magnaflow Exhaust Products ), ( Part Type: Converter ), ( Manufacturer Part Number: 21-071 ), ( UPC: 888563148984 )

Review MAGNAFLOW EXHAUST PRODUCTS 49 State Converter Direct Fit Catalytic fits IS250

The MagnaFlow Exhaust 21-071 49 Series Catalytic Converter is a high-performance aftermarket part designed to replace the original equipment catalytic converter on select IS250 models. This converter is part of MagnaFlow's 49 Series, which is known for its superior flow dynamics and increased power output.

This catalytic converter is constructed using premium materials, including a 409 stainless steel housing, for durability and resistance to corrosion. The converter's internal structure is made up of a monolithic catalyst substrate, which provides efficient catalytic conversion of harmful exhaust gases into less toxic emissions.

One of the standout features of the MagnaFlow 21-071 catalytic converter is its high-flow design. This means that it allows for a greater volume of exhaust gases to flow through it, which can help improve engine performance by reducing backpressure. The converter also features a honeycomb design, which increases its surface area for more effective catalytic conversion.

Another benefit of the MagnaFlow 21-071 catalytic converter is its OEM-style design. This means that it is engineered to fit and function identically to the original equipment converter, ensuring a seamless installation process. The converter also comes with all necessary hardware for installation, including mounting brackets and gaskets.

It's important to note that while this catalytic converter may provide performance benefits, it is not intended to be used in violation of local, state, or federal emissions regulations. It is designed to meet or exceed the emissions standards set by the original equipment manufacturer.

In summary, the MagnaFlow Exhaust 21-071 49 Series Catalytic Converter is a high-performance aftermarket part that offers improved flow dynamics, increased power output, and durability. It is constructed using premium materials, features a high-flow design, and is OEM-style for easy installation.

MagnaFlow Exhaust 21-071 49 Series Catalytic Converter for an IS250: A Detailed Analysis

The MagnaFlow 21-071 49 Series Catalytic Converter is a popular aftermarket upgrade for the IS250. This component is designed to replace the stock catalytic converter and improve the vehicle's performance and exhaust sound. In this analysis, we will discuss the potential advantages and disadvantages of installing this MagnaFlow catalytic converter in your IS250.

1. Enhanced Performance: MagnaFlow catalytic converters are known for their high-performance designs. Installing this component in your IS250 can help increase horsepower and torque, providing a more responsive and powerful driving experience.

2. Improved Exhaust Flow: The MagnaFlow 21-071 is designed to improve exhaust flow, allowing gases to exit the engine more efficiently. This leads to better engine breathing and potential fuel savings in the long run.

3. Better Sound Quality: One of the most significant benefits of upgrading to a MagnaFlow catalytic converter is the improved exhaust note. The converter's design allows for a more aggressive and pleasing exhaust sound.

4. Durability: MagnaFlow catalytic converters are made from high-quality materials, ensuring durability and longevity. The 49 Series converter, in particular, is constructed with a stainless steel housing and features a 3-layer cordierite substrate for optimal heat management and catalytic efficiency.

5. CARB Compliant: The MagnaFlow 21-071 49 Series Catalytic Converter is CARB (California Air Resources Board) compliant, making it a legal option for drivers in emissions-regulated states.

1. Cost: The MagnaFlow 21-071 49 Series Catalytic Converter is priced higher than the stock catalytic converter. The cost of the upgrade may be a deterrent for some IS250 owners.

2. Installation Complexity: Installing the MagnaFlow catalytic converter may require some mechanical expertise. The process involves removing the old converter, installing the new one, and reconnecting the exhaust system.

3. Potential Check Engine Light: In some cases, installing aftermarket catalytic converters can trigger the check engine light. This is typically due to the vehicle's OBD (On-Board Diagnostics) system recognizing the change in the catalytic converter's flow dynamics. However, this issue can usually be resolved by reprogramming the vehicle's ECU (Engine Control Unit) or using a high-performance catalytic converter that maintains similar flow rates as the stock converter.

4. Increased Noise Levels: While the improved exhaust sound is desirable for many IS250 owners, some may find the increased noise levels to be a drawback. The MagnaFlow 21-071 is designed to produce a more aggressive exhaust note, which may not be suitable for those seeking a quieter driving experience.

The MagnaFlow 21-071 49 Series Catalytic Converter offers several advantages for IS250 owners, including enhanced performance, improved exhaust flow, better sound quality, and durability. However, it comes with some disadvantages, such as a higher cost, installation complexity, potential check engine light, and increased noise levels.

Ultimately, the decision to install this catalytic converter in your IS250 depends on your individual preferences and priorities. If you are looking for improved performance, better exhaust sound, and durability, then the MagnaFlow 21-071 49 Series Catalytic Converter could be an excellent investment. However, if you are concerned about cost, installation complexity, or increased noise levels, you may want to consider other aftermarket upgrades or hold off on the purchase.

If you are an IS250 owner seeking a powerful, high-performance catalytic converter that delivers a more aggressive exhaust note and improved durability, the MagnaFlow 21-071 49 Series Catalytic Converter could be the right choice for you. Just be aware of the potential costs, installation complexities, and noise level increases before making your decision. Additionally, ensure that your IS250 is compliant with local emissions regulations before installing this or any aftermarket catalytic converter.

part # 21071 prices

• $722.63-$884.00

specifications catalyticonvo:

• for models: Is250
• brand: Magnaflow Exhaust Products
• part type: Converter
• manufacturer part number: 21-071
• upc: 888563148984

seller catalyticonvo:

• rating: 99.0%
• # reviews: 25630

general catalyticonvo:

• Car Truck Parts Accessories > Exhaust Emission Systems > Catalytic Converters
• condition: New

offer catalyticonvo:

• best offers: True
• availability: In Stock
• quantity: 1
• started: November 1, 2025
• sold: 0
• options: Ship-to-home

shipping catalyticonvo:

• cost: $0.00
• transit: 3-5 Days
• class: Economy, Standard
• service: Economy, Standard
• type: Fixed

payments catalyticonvo:

• other
• wallet: Paypal
• credit card: Visa

returns catalyticonvo:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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