MagnaFlow Cadillac Escalade 6.0L (10-13), Chevrolet Tahoe (09-14), Suburban 1500 5.3L (09-14), Avalanche 5.3L (09-13), GMC Yukon 5.3L (09-14), 6.0L (10-13) OEM Grade Direct-Fit Catalytic Converter

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51578. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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. By replicating the OE 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. MagnaFlow 51578 includes (1) Crush Ring Gasket, (1) Torca Clamp and interchanges with OE parts 15905948, 19418941, 20854454. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Simplifies installation with essential gaskets and hardware being included in the box

Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency

Durable 308 stainless steel MIG welds

Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life

OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration

Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation

INLET TYPE

Flange

CLAMPS INCLUDED

Yes

HANGERS INCLUDED

No

SERIES

OEM Grade

MATERIAL

Stainless Steel

FINISH

Stainless

TUBE MATERIAL

Stainless Steel

DIRECT-FIT INSTALLATION

State-Of-the-Art 3D scanning is used to ensure this direct-fit catalytic converter perfectly fits your vehicle, enabling do-it-yourself installation.

CUTTING EDGE DESIGN

Durable stainless-steel construction, mandrel bent piping, precisely manufactured flared receivers, OEM-like O2 port locations and integrated butt joints make installation easy while guaranteeing optimal performance.

FEDERAL/EPA COMPLIANT

Extensive testing and certification processes are followed to guarantee that this catalytic converter meets emissions standards set by the Federal EPA.

OEM GRADE

This catalytic converter is built to OEM Grade standards, matching the performance and quality of your vehicle’s original catalytic converter.

Fits
2013 CADILLAC Escalade V8 6.0L    
2012 CADILLAC Escalade V8 6.0L    
2011 CADILLAC Escalade V8 6.0L    
2010 CADILLAC Escalade V8 6.0L    

2014 CHEVROLET Tahoe V8 5.3L    
2014 CHEVROLET Suburban 1500 V8 5.3L    
2013 CHEVROLET Tahoe V8 6.0L    
2013 CHEVROLET Tahoe V8 5.3L    
2013 CHEVROLET Suburban 1500 V8 5.3L    
2013 CHEVROLET Silverado 1500 V8 6.0L    
2013 CHEVROLET Silverado 1500 V8 4.8L    
2013 CHEVROLET Silverado 1500 V8 5.3L    
2013 CHEVROLET Silverado 1500 V6 4.3L    
2013 CHEVROLET Avalanche V8 5.3L    
2012 CHEVROLET Tahoe V8 6.0L    
2012 CHEVROLET Tahoe V8 5.3L    
2012 CHEVROLET Suburban 1500 V8 5.3L    
2012 CHEVROLET Silverado 1500 V8 6.0L    
2012 CHEVROLET Silverado 1500 V8 5.3L    
2012 CHEVROLET Silverado 1500 V6 4.3L    
2012 CHEVROLET Silverado 1500 V8 4.8L    
2012 CHEVROLET Avalanche V8 5.3L    
2011 CHEVROLET Tahoe V8 6.0L    
2011 CHEVROLET Tahoe V8 5.3L    
2011 CHEVROLET Suburban 1500 V8 5.3L    
2011 CHEVROLET Silverado 1500 V8 6.0L    
2011 CHEVROLET Silverado 1500 V8 5.3L    
2011 CHEVROLET Silverado 1500 V6 4.3L    
2011 CHEVROLET Silverado 1500 V8 4.8L    
2011 CHEVROLET Avalanche V8 5.3L    
2010 CHEVROLET Tahoe V8 6.0L    
2010 CHEVROLET Tahoe V8 5.3L    
2010 CHEVROLET Suburban 1500 V8 5.3L    
2010 CHEVROLET Silverado 1500 V8 6.0L    
2010 CHEVROLET Silverado 1500 V8 5.3L    
2010 CHEVROLET Silverado 1500 V6 4.3L    
2010 CHEVROLET Silverado 1500 V8 4.8L    
2010 CHEVROLET Avalanche V8 5.3L    
2009 CHEVROLET Tahoe V8 5.3L    
2009 CHEVROLET Tahoe V8 4.8L    
2009 CHEVROLET Suburban 1500 V8 6.0L    
2009 CHEVROLET Suburban 1500 V8 5.3L    
2009 CHEVROLET Silverado 1500 V6 4.3L    
2009 CHEVROLET Silverado 1500 V8 5.3L    
2009 CHEVROLET Silverado 1500 V8 4.8L    
2009 CHEVROLET Silverado 1500 V8 6.0L    
2009 CHEVROLET Avalanche V8 6.0L    
2009 CHEVROLET Avalanche V8 5.3L    

2014 GMC Yukon XL 1500 V8 5.3L    
2014 GMC Yukon V8 5.3L    
2013 GMC Yukon XL 1500 V8 5.3L    
2013 GMC Yukon V8 6.0L    
2013 GMC Yukon V8 5.3L    
2013 GMC Sierra 1500 V8 6.0L    
2013 GMC Sierra 1500 V8 4.8L    
2013 GMC Sierra 1500 V6 4.3L    
2013 GMC Sierra 1500 V8 5.3L    
2012 GMC Yukon XL 1500 V8 5.3L    
2012 GMC Yukon V8 6.0L    
2012 GMC Yukon V8 5.3L    
2012 GMC Sierra 1500 V8 6.0L    
2012 GMC Sierra 1500 V8 5.3L    
2012 GMC Sierra 1500 V8 4.8L    
2012 GMC Sierra 1500 V6 4.3L    
2011 GMC Yukon XL 1500 V8 5.3L    
2011 GMC Yukon V8 6.0L    
2011 GMC Yukon V8 5.3L    
2011 GMC Sierra 1500 V8 6.0L    
2011 GMC Sierra 1500 V6 4.3L    
2011 GMC Sierra 1500 V8 5.3L    
2011 GMC Sierra 1500 V8 4.8L    
2010 GMC Yukon XL 1500 V8 5.3L    
2010 GMC Yukon V8 6.0L    
2010 GMC Yukon V8 5.3L    
2010 GMC Sierra 1500 V8 6.0L    
2010 GMC Sierra 1500 V8 5.3L    
2010 GMC Sierra 1500 V8 4.8L    
2010 GMC Sierra 1500 V6 4.3L    
2009 GMC Yukon XL 1500 V8 6.0L    
2009 GMC Yukon XL 1500 V8 5.3L    
2009 GMC Yukon V8 5.3L    
2009 GMC Yukon V8 4.8L    
2009 GMC Sierra 1500 V6 4.3L    
2009 GMC Sierra 1500 V8 4.8L    
2009 GMC Sierra 1500 V8 5.3L    
2009 GMC Sierra 1500 V8 6.0L