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Best Seller Magnaflow Conv Df 04-05 Bmw 545i 4.4l P/s All Sizes Available [12BjaIgw]

$48.99 $156.99 -69%

MagnaFlow Conv DF 04-05 BMW 545I 4.4L P/S Experience superior performance and reliability with the MagnaFlow Conv DF 04-05 BMW 545I 4.4L P/S catalytic converter. Designed for the 2004-2005 BMW 545i, this direct-fit converter is the perfect solution f

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Best Seller Magnaflow Conv Df 04-05 Bmw 545i 4.4l P/s All Sizes Available [12BjaIgw]

MagnaFlow Conv DF 04-05 BMW 545I 4.4L P/S

Experience superior performance and reliability with the MagnaFlow Conv DF 04-05 BMW 545I 4.4L P/S catalytic converter. Designed for the 2004-2005 BMW 545i, this direct-fit converter is the perfect solution for maintaining optimal engine performance and emissions control. With its free-flowing mandrel-bent tubing and highly corrosion-resistant stainless steel construction, this converter ensures a seamless and efficient flow of exhaust gases, contributing to better engine efficiency and performance. Key features include:

  • Free-flowing mandrel-bent tubing: Enhances airflow for improved performance and efficiency.
  • Highly corrosion-resistant stainless steel: Ensures durability and longevity, even under harsh conditions.

Superior Construction and Performance

The MagnaFlow Conv DF 04-05 BMW 545I 4.4L P/S is engineered with precision and care. Utilizing the latest 3D scanning technology during the research and development process, this converter is designed to fit and function like the original equipment, ensuring a perfect match. The spun body design, coupled with a single laser fusion weld, minimizes the possibility of leaks and enhances thermal efficiency. The compact, low-mass design not only contributes to better performance but also improves fuel economy. Additional specifications include:

  • Interchangeable with OE parts 18 40 7 522 554 and 18 40 7 522 570.
  • Included gaskets & hardware for a secure fit and reduced risk of leaks.

Legal and Eco-Friendly Solution

This replacement catalytic converter is designed to meet or exceed California Air Resource Board (CARB) requirements, making it a legal and eco-friendly choice for vehicles in CARB restricted states. By choosing the MagnaFlow Conv DF 04-05 BMW 545I 4.4L P/S, you not only ensure compliance with environmental regulations but also contribute to a cleaner and healthier environment. This direct-fit converter is easy to install with no cutting or welding required, making it a convenient and hassle-free solution for car enthusiasts and professional mechanics alike. Benefits include:

  • Keep the check engine light off and maintain optimal engine performance.
  • Legal and eco-friendly, suitable for California and CARB restricted states.

What Our Customers Say

January 23, 2026

Absolutely no complaints!

It's a solid tool that gets the job done.

- Vernon Q..

January 23, 2026

Absolutely no complaints!

It’s a very handy and useful gadget.

- Myfanwy V..

January 23, 2026

Absolutely no complaints!

This is a solid and impressive gadget.

- Haf B..

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