1. Catalytic Converters Parts
  2. sku: 5107004428807682
  3. MAGNAFLOW 454205

MAGNAFLOW 454205 Obdii Round Body Catalytic Converter 841380091352

fits model: Corolla. make: Toyota. year: 2003–2004.

454205 Magnaflow For Toyota Corolla 03-04 Obdii Universal Fit Round Body Catalytic Converter

( Brand: Magnaflow ), ( Part Type: Converter ), ( Manufacturer Part Number: 454205 ), ( Product Type: Exhaust ), ( UPC: 841380091352 ), ( California Prop 65 Warning: Cancer And Reproductive Harm. ), ( Fitment Type: Direct Replacement ), ( Compatible Make S : Toyota, Chrysler, Mazda, Mercedes-benz, Saturn ), ( Compatible Model S : Corolla, Matrix, Crossfire, B3000, S350, S500, C240, C320, Clk320 ), ( Fitnote: With Lev1 Standard; With Ulev Standard ), ( Enginevinname: L ), ( Product Subtype: Catalytic Converters ), ( Outlet Diameter: 2.01 To 2.25 ), ( Country/region Of Manufacture: United States ), ( Converter Body Material: Stainless Steel ), ( Catalytic Converter Format: Pre-catalytic Converter And Main Catalytic Converter ), ( Brand Type: Aftermarket Branded ), ( Product Details: Performance Exhaust Catalytic Converter ), ( Department: Performance )

Review MAGNAFLOW Toyota Obdii Universal Fit Round Body Catalytic Converter fits COROLLA 2003–2004

Introducing the MagnaFlow 454205 Catalytic Converter, a superior replacement option for your 2003-2004 Toyota Corolla with OBD-II round body. This catalytic converter is designed to meet or exceed original equipment performance, ensuring optimal exhaust flow and improved fuel efficiency.

Crafted with high-quality stainless steel construction, this converter is built to last. Its robust design can withstand the rigors of daily driving, making it an excellent choice for those seeking a durable aftermarket part. The converter features a 4-way flow design, ensuring proper exhaust flow in both forward and reverse directions.

MagnaFlow's 454205 catalytic converter is engineered to meet or exceed Federal Emissions Standards, making it a legal and eco-friendly choice for your vehicle. Its advanced design provides efficient catalytic conversion, reducing harmful exhaust gases and improving overall emissions performance.

This converter is also designed to fit seamlessly into your existing exhaust system. Its OBD-II round body and bolt-on design make for a straightforward installation process. And with MagnaFlow's reputation for quality and performance, you can trust that this catalytic converter will provide the power and reliability you expect from this renowned brand.

In summary, the MagnaFlow 454205 Catalytic Converter is an excellent choice for those seeking a durable, high-performing replacement catalytic converter for their 2003-2004 Toyota Corolla. With its stainless steel construction, efficient catalytic conversion, and straightforward installation process, this converter is an investment in both the performance and longevity of your vehicle.

MagnaFlow 454205 Catalytic Converter for Toyota Corolla (03-04 OBD-II): A Detailed Analysis

The MagnaFlow 454205 catalytic converter is a performance upgrade designed for select Toyota Corolla models between 2003 and 2004 with OBD-II round body catalytic converters. This upgrade aims to improve exhaust flow and reduce backpressure, resulting in increased horsepower and torque. In this analysis, we will discuss the pros and cons of purchasing this catalytic converter for your Toyota Corolla.

Pros:

1. Performance Enhancement: The MagnaFlow 454205 catalytic converter is designed to improve exhaust flow, which translates to better performance. This can result in increased horsepower and torque, making your Corolla feel more responsive and powerful.

2. Improved Exhaust System Sound: This high-performance catalytic converter produces a more aggressive exhaust note, which some enthusiasts find appealing. This can help your Corolla sound more sporty and exciting.

3. High-Quality Construction: MagnaFlow is a reputable brand known for producing high-quality exhaust components. This catalytic converter is no exception, with its durable construction and robust design. It is made from stainless steel, ensuring longevity and resistance to corrosion.

4. Emissions Compliance: Although this performance catalytic converter may not meet original equipment manufacturer (OEM) emissions standards, it is designed to meet Federal and CARB legal requirements for emissions. This means that you can still legally install it on your Corolla while enjoying the performance benefits.

Cons:

1. Cost: The MagnaFlow 454205 catalytic converter is more expensive than the stock OEM part. While the performance benefits may be worth the investment for some, others may find the cost prohibitive.

2. Installation Complexity: Installing a performance catalytic converter like the MagnaFlow 454205 can be more complex than installing a stock OEM part. This may require the use of specialized tools and expertise, which could add to the overall cost and time investment.

3. Potential Check Engine Light: Installing a performance catalytic converter may trigger the check engine light on your Corolla, as the OBD-II system may detect that the new converter does not meet OEM specifications. This can be frustrating, but it is often a simple fix involving adjusting the oxygen sensor or using a tune to reprogram the engine computer.

Conclusion:

The MagnaFlow 454205 catalytic converter offers several benefits for Toyota Corolla enthusiasts, including improved performance, an aggressive exhaust note, high-quality construction, and emissions compliance. However, it also comes with a higher cost, installation complexity, and the potential for a check engine light. Ultimately, the decision to purchase this catalytic converter depends on your personal preferences, budget, and the level of performance enhancement you desire for your Corolla. If you value improved performance and a more aggressive exhaust note, and you are willing to invest in the cost and installation complexity, then the MagnaFlow 454205 catalytic converter may be an excellent choice for your Toyota Corolla.

Recommendation:

If you are looking to improve the performance of your Toyota Corolla (03-04 OBD-II) and enjoy a more aggressive exhaust note, the MagnaFlow 454205 catalytic converter is a worthy consideration. However, be prepared for the additional cost and installation complexity. If you are unsure about the installation process, consider seeking professional assistance from a reputable exhaust shop to ensure proper installation and optimal performance.

part # 454205 prices

  • $370.50-$390.00

specifications catalyticonvo:

  • for models: Corolla
  • for makes: Toyota
  • for years: 2003-2004
  • brand: Magnaflow
  • part type: Converter
  • manufacturer part number: 454205
  • product type: Exhaust
  • upc: 841380091352
  • california prop 65 warning: Cancer And Reproductive Harm.
  • fitment type: Direct Replacement
  • compatible make s : Toyota, Chrysler, Mazda, Mercedes-benz, Saturn
  • compatible model s : Corolla, Matrix, Crossfire, B3000, S350, S500, C240, C320, Clk320
  • fitnote: With Lev1 Standard; With Ulev Standard
  • enginevinname: L
  • product subtype: Catalytic Converters
  • outlet diameter: 2.01 To 2.25
  • country/region of manufacture: United States
  • converter body material: Stainless Steel
  • catalytic converter format: Pre-catalytic Converter And Main Catalytic Converter
  • brand type: Aftermarket Branded
  • product details: Performance Exhaust Catalytic Converter
  • department: Performance

general catalyticonvo:

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

offer catalyticonvo:

  • options: Ship-to-home
  • sold: 0
  • quantity: 5
  • started: July 15, 2025
  • availability: In Stock

returns catalyticonvo:

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

payments catalyticonvo:

  • credit card: Visa
  • wallet: Apple-pay
  • other

seller catalyticonvo:

  • rating: 97.3%
  • # reviews: 125870

shipping catalyticonvo:

  • class: Standard
  • type: Fixed
  • service: FedEx Ground or FedEx Home Delivery
  • transit: 3-9 Days
  • cost: $0.00
  • carrier: FedEx
for models: corolla, for makes: toyota, for years: 2003-2004, part type: converter, product type: exhaust, california prop 65 warning: cancer and reproductive harm., fitment type: direct replacement, compatible make s: toyota, chrysler, mazda, mercedes-benz, saturn, compatible model s: corolla, matrix, crossfire, b3000, s350, s500, c240, c320, clk320, fitnote: with lev1 standard; with ulev standard, enginevinname: l, product subtype: catalytic converters, outlet diameter: 2.01 to 2.25, country/region of manufacture: united states, converter body material: stainless steel, catalytic converter format: pre-catalytic converter and main catalytic converter, brand type: aftermarket branded, product details: performance exhaust catalytic converter, department: performance,
category: auto parts > car truck parts accessories > exhaust emission systems > catalytic converters, sku: 5107004428807682,

Magnaflow 454205 Is Similar To:

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5 offers $370.50–$390.00 USD
  • Offer #1: $370.50 price + free delivery = $370.50* total. Conv Univ 2.25 Front CA.FREE SHIPPING
  • Offer #2: $390.00 price + free delivery = $390.00* total. Extended Information. Magnaflow.FREE SHIPPING
  • Offer #3: $390.00 price + free delivery = $390.00* total.FREE SHIPPING
  • Offer #4: $390.00 price + free delivery = $390.00* total. If your car needs a new catalytic converter, install one that will get you through the smog check OBDII Catalytic Converter ( ) by MagnaFlow.FREE SHIPPING
  • Offer #5: $370.50 price + free delivery = $370.50* total. Stainless Steel Construction. Universal OBDII Compliant.FREE SHIPPING