MagnaFlow Universal HM Grade Federal Catalytic Converter

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Fitment Info

  • Ceramic Honeycombed Catalyst
  • Made from 100% stainless steel
  • Seam welded close to the converter body
  • Universal-fit design
  • Federal emissions compliant design
  • Limited Lifetime Warranty
  • Made in the USA

    Our #1 value is customer service.

    We believe in doing right by our customers, no matter what it takes.

    In keeping with that, we offer a “perfect fit guarantee” that ensures your satisfaction on 3 levels: low price, free shipping, and perfect fitment.

    - Alan Marek, Founder of

    The Lowest Price Anywhere--Guaranteed

    At PartCatalog, we’ll beat any competing vendor’s price. And we’re so confident in our rock-bottom prices that we’ll refund the difference if you find a lower price elsewhere.

    Free Shipping Both Ways

    Our “free shipping both ways” policy means that returns and orders ship free of charge. When you place an order, you pay only the list price and any applicable taxes. We cover the shipping to save you money and ensure timely delivery.

    100% Guaranteed to Fit

    In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.


    • Best at converting harmful exhaust to safe gas
    • Facilitates a more efficient exhaust conversion and airflow
    • Rust and oxidation resistant
    • Keeps ceramic in alignment and creates compact shape
    • Protects against heat damage
    • Seam welded close to converter body for tight bond
    • Can be altered to fit your application
    • Cat doesn't leak
    • Oxygen port gauges the performance of your cat
    • Compliant in Canada and in all states except California
    • Warranted against blowouts, defects in material and workmanship
    • High quality material and superior workmanship
    Heavy metal converter

    Heavy metal converter

    The MagnaFlow Universal Catalytic Converter is a heavy metal converter. It does the best job when transforming exhaust to harmless gas and boosting airflow. This cat offers better exhaust flow and cleaner emissions; contributing to a clean environment. The cat also improves performance and the sound of your application.

    Ceramic Honeycombed Catalyst

    Ceramic Honeycombed Catalyst

    The converter contains two large ceramic honeycombed catalysts. They contain a greater concentration of catalytically active materials. This increases the volume of chemical reactions that break down harmful gases. Their large surface and a detailed coating process allow the exhaust to flow easily. MF innovative technology allows each catalyst to oxidize and reduce harmful emissions.

    Rust and oxidation resistant

    Rust and oxidation resistant

    This cat is made from 100% stainless steel body and heat shield. It's strong and resistant to rust and oxidation. Such an emission control device should last the life of your application.

    Innovative compact shape

    Innovative compact shape

    Some models of this MagnaFlow Universal Catalytic Converter have a tubular body fabricated from one whole section. It's spun tightly around the ceramic catalyst to keep the ceramic in proper alignment and to create its innovative compact shape. It's computer-generated and laser welded. Thick-gauge material forms the inlet and outlet for maximum durability and smooth exhaust flow.

    Protection against heat damage

    Protection against heat damage

    A ribbed body encases the ceramic catalyst and holds it in proper alignment. It reduces expansion and distortion when the cat reaches its high operating temperature. Some models sport an outer ribbed shield as well. It offers a final layer of protection against heat damage and reinforces the structural stability of the converter.

    Strong, tight bond

    Strong, tight bond

    The 100% stainless steel inner converter body that encases the ceramic catalysts is seam welded to the outer stainless steel heat shield. This kind of welding forms a strong bond between the converter's components and prevents them from becoming loose or shifting.

    Professional installation recommended

    Professional installation recommended

    The MagnaFlow Universal Catalytic Converter is a universal-fit design. As such, you should expect some modifications such as welding, cutting, fabrication, and bending to ensure a perfect fitment. For these reasons, professional installation is highly recommended.

    Leak-free cat

    Leak-free cat

    This converter features a 1/2 inches lap joint where the neck and body of the cat overlap. The joint preempts the neck from extending into the body, where it could hinder exhaust flow. It also prevents leakage.

    Gauging your cat's performance

    Gauging your cat's performance

    Oxygen sensors are generally placed in front of the cat and behind it. On some applications, a few are plugged on the cat itself. Their role is to gauge the performance of your cat to ensure that it works great.

    Pass smog compliance

    Pass smog compliance

    The MagnaFlow Universal Catalytic Converter is 49-State Environment Protection Agency (EPA) approved. This means that it will get you through smog compliance in Canada and all states except California. It will turn the 'check engine' light off!

    Limited LIFETIME Warranty

    Limited LIFETIME Warranty

    When you purchase this cat, your mind is eased by the fact that it is warranted against blowouts and defects in material and workmanship for LIFE.

    Made in the USA

    Made in the USA

    Made of high-quality materials in the USA, this cat has also benefited from refined manufacturing techniques. Your money funds American businesses, helps them to remain competitive and stops them from relocating to cheaper markets. Thus, you help to keep jobs in the USA.

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    This product comes with the manufacturer's limited warranty.
    Part Numbers

    The following part numbers are available in this product line:

    55400, 60105, 60110, 60111, 60112, 60120, 60121, 99004HM, 99005HM, 99006HM, 99007HM, 99009HM, 99034HM, 99035HM, 99036HM, 99047HM, 99064HM, 99065HM, 99067HM, 99104HM, 99105HM, 99106HM, 99109HM, 99174HM, 99175HM, 99176HM, 99184HM, 99185HM, 99203HM, 99204HM, 99205HM, 99206HM, 99209HM, 99233HM, 99234HM, 99235HM, 99236HM, 99304HM, 99305HM, 99306HM, 99354HM, 99355HM, 99356HM, 99506HM, 99509HM, 99555HM, 99556HM, 99559HM, 99647HM, 99654HM, 99765HM, 99774HM, 99775HM

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