MagnaFlow 3" Universal California OBDII Catalytic Converter

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  • Ribbed body
  • Features monolithic honeycomb catalyst
  • Seam-welded close to the converter body
  • Constructed from heavy-gauge stainless steel

For a high quality catalytic converter, the MagnaFlow universal OBDII converter in 3 inches is a great choice. It covers a wide variety of vehicle makes and models.

With this MagnaFlow catalytic converter, you are rest assured that they are well-made. Its ribbed body helps minimize expansion and distortion when the converter heats up.

Constructed from stainless steel, you are guaranteed that this 3in. converter will last. The monolithic honeycomb catalyst is designed for maximum flow and surface area.

MagnaFlow converter also boasts of a seam-welded close to the converter body for that strong and tight bond. Although installation may require some welding, cutting, and tube-bending, in the end you get the best quality that will truly last and will deliver to you the kind of performance that you deserve.

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This product comes with the manufacturer's limited warranty.
The following part numbers are available in this product line:
445009 445109 445300 447109 447209 448009 455009 456209 459009 459409 545009 546009 546209
To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.

Buick (2004-2005)

LeSabre, Park Avenue

Cadillac (1995-2004)

DeVille, Eldorado, Escalade, Seville

Chevrolet (1996-2010)

Astro, Avalanche 2500, Blazer, C1500, C2500, C3500, Corvette, Express 1500, Express 2500, Express 3500, G30, K1500, K2500, K3500, P30, S10, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Silverado 3500 HD, Suburban 2500, Tahoe

Chrysler (2007-2008)


Dodge (2001-2008)

Challenger, Charger, Magnum, Ram 1500, Ram 1500 Van, Ram 2500, Ram 2500 Van, Ram 3500, Ram 3500 Van

Ford (1996-2006)

E-150, E-150 Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, E-250, E-250 Econoline, E-350 Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, E-350 Super Duty, Excursion, F-250, F-250 HD, F-250 Super Duty, F-350, F-350 Super Duty

GMC (1996-2010)

C1500, C2500, C3500, G3500, Jimmy, K1500, K2500, K3500, P3500, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Sonoma, Yukon, Yukon XL 2500

Hummer (2006)


Isuzu (2000)


Jeep (2006-2010)

Grand Cherokee

Oldsmobile (2000-2001)


Pontiac (2004-2005)