MagnaFlow 2.25" Universal California OBDII Catalytic Converter

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Fitment Info

  • Universal CARB compliant OBDII Catalytic Converter
  • Ribbed heat shielding
  • Closely welded seams
  • Stainless steel construction
  • Universal fit
  • 5-year/50,000 mile limited 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.


  • Universal CARB compliant catalytic converter for OBDII vehicles
  • Monolithic honeycomb catalyst design increases surface area for catalytic processes
  • Ribbed heat shielding ensures structural stability for heat protection
  • Closely welded seams offers a strong bond to keep the catalyst in place
  • Made with tough steel for super strength and durability
  • Can fit most vehicle models with minimal modification
  • MagnaFlow's 5-year/50,000 mile limited warranty that guarantees quality and performance
  • Made in the USA with authentic materials in an economy-building industry
Universal CARB Compliant OBDII Catalytic Converter

Universal CARB Compliant OBDII Catalytic Converter

The Magnaflow universal California OBDII catalytic converter is compliant with the state's CARB requirements. In a series of catalytic reactions, it converts poisonous exhaust fumes to a less dangerous emission. It also helps to keep your engine healthy and your exhaust system at its optimal capacity. With a 2.25" inlet and outlet, it is perfect for gas and diesel applications.

Monolithic Honeycomb Catalyst Design

Monolithic Honeycomb Catalyst Design

The converter features a monolithic honeycomb design for the catalyst. It increases the exhaust flow surface area for maximum conversion even with high exhaust volumes.

Ribbed Heat Shielding

Ribbed Heat Shielding

The cat also has a ribbed heat shield that provides a rigid wall for heat protection. It creates a stable structure to contain the hottest exhaust fumes.

Closely Welded Seams

Closely Welded Seams

The Magnaflow universal California OBDII catalytic converter seam is closely welded to create a strong bond between the catalyst and the wall. It ensures that the catalyst stays intact and does not loosen and shift inside the converter.

Stainless Steel Construction

Stainless Steel Construction

The converter is made with premium-grade stainless steel that won't rust, oxidize or corrode. It stays strong for years and takes all the heat to maintain its hold.

Universal Fit

Universal Fit

It is designed to fit your vehicle's OEM exhaust system regardless of its make or model. It may fit perfectly or require a little modification depending on your vehicle model.

5-Year/50,000 Mile Limited Warranty

5-Year/50,000 Mile Limited Warranty

The manufacturer provides a 5-year or 50,000-mile limited warranty for every purchase of the Magnaflow universal California OBDII catalytic converter. This is a guarantee of quality and performance beyond the ordinary. If you need help with your warranty or you would like further information, feel free to reach out to PartCatalog.

Made in the USA

Made in the USA

The cat is proudly made in the USA with a local labor force, raw materials, and technology. Your purchase not only helps to support local businesses but also creates jobs for thousands of Americans every year.

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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:

408005, 408035, 408065, 418005, 418035, 418055, 441005, 441075, 441105, 441125, 441175, 441205, 441305, 441335, 441355, 441405, 441455, 444005, 444075, 444085, 444105, 444205, 444505, 445005, 445055, 445105, 4451335, 4451355, 447105, 447195, 447205, 448005, 448035, 448055, 448105, 4481305, 4481355, 451005, 451205, 45155, 454175, 454305, 454355, 455005, 455035, 4551205, 4551355, 455305, 455335, 455355, 456005, 456035, 4561335, 4561355, 456205, 457105, 457175, 458005, 459005, 541005, 541105, 5411205, 5411275, 5411305, 5411335, 541175, 541305, 541335, 542005, 542105, 5421205, 542205, 545005, 545035, 545055, 5451305, 5451355, 545335, 545355, 546055, 546085, 546105, 5461205, 5461325, 5461335, 546205, 546305, 551005, 551075, 5551205, 5561205, 557405, 5581305, 5581375, 558175, 558305, 558405, 559105, 5591305, 559205

To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.

Acura (1995-2005)

CL, Integra, MDX, NSX, RL, SLX, TL

Alfa Romeo (2008)


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Audi (1997-2012)

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Buick (1996-2008)

Century, LaCrosse, Rendezvous, Roadmaster, Skylark

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Avalanche 1500, Camaro, Caprice, Captiva Sport, Cobalt, Corvette, Equinox, Express 1500, Express 2500, HHR, Impala, Lumina, Malibu, Metro, Monte Carlo, S10, Silverado 1500, Silverado 3500, Suburban 1500, Tahoe, Tracker, Trailblazer EXT, Venture

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