MagnaFlow DF Catalytic Conv OEM 2005 GMC Sierra/Chevrolet Silverado 1500/Cadillac Escalade Underbody - Magnaflow 4551419
MagnaFlow DF Catalytic Conv OEM 2005 GMC Sierra/Chevrolet Silverado 1500/Cadillac Escalade Underbody - Magnaflow 4551419
MagnaFlow DF Catalytic Conv OEM 2005 GMC Sierra/Chevrolet Silverado 1500/Cadillac Escalade Underbody - Magnaflow 4551419
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MagnaFlow DF Catalytic Conv OEM 2005 GMC Sierra/Chevrolet Silverado 1500/Cadillac Escalade Underbody

$ 3,524.00
$ 3,524.00

With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment.

Key Features

  • With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required.
  • This direct-fit catalytic converter is designed to fit the 2003-2005 Chevrolet Silverado 1500, 2003-2005 Chevrolet Tahoe, and additional vehicles.
  • By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency.
  • The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation.
  • This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Fitment

Years Make Model Application
2003 Cadillac Escalade Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2005 Cadillac Escalade Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003 Chevrolet Avalanche 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2005 Chevrolet Avalanche 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003-2005 Chevrolet Silverado 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003 Chevrolet Suburban 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2005 Chevrolet Suburban 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003-2005 Chevrolet Tahoe Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003-2005 GMC Sierra 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003-2005 GMC Yukon Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2003 GMC Yukon XL 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note
2005 GMC Yukon XL 1500 Confirm engine, body configuration, emissions package, and every current Magnaflow application note

Specifications

Brand Magnaflow
Manufacturer Part Number 4551419
Product Type Catalytic Converter Direct Fit
Fitment Type Vehicle Specific
Material Stainless steel
Emissions Application California or CARB application, verify exact certification and vehicle test group
Shipping Weight 21.0 Pounds
GTIN 888563153414
Condition New

What's Included

One new Magnaflow catalytic converter direct fit identified by manufacturer part number 4551419. Gaskets, clamps, adapters, sensors, hardware, tips, wiring, and fabrication materials are included only when expressly supplied for this exact part number.

About Magnaflow

Magnaflow develops automotive exhaust systems, catalytic converters, mufflers, pipes, tips, and installation hardware for vehicle-specific and universal applications. Selection, emissions eligibility, sound, dimensions, and installation requirements remain exact-part-number specific.

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Frequently Asked Questions

Will this Magnaflow product fit my 2003 Cadillac Escalade?
That vehicle range is listed for this exact part number, but confirm the engine, body configuration, emissions package, factory exhaust layout, and every current Magnaflow application note before ordering.

Is this catalytic converter legal for my vehicle and registration state?
Converter legality depends on the exact vehicle, engine, emissions package, registration state, certification, and test group. Match every current Magnaflow application and emissions note before ordering.

Does a direct-fit converter require cutting or welding?
A true direct-fit converter is designed around factory connection points, while a universal converter normally requires fabrication. Follow the instructions for this exact part number and inspect all flanges, sensors, gaskets, and clearances.

Installation Instructions

Follow the current Magnaflow instructions and vehicle service information for part number 4551419. Work on a cool exhaust, support the vehicle safely, confirm all interfaces and clearances, align and support the complete assembly before final tightening or welding, test for leaks, and inspect the installation again after the first heat cycle.

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