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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Magnaflow
MagnaFlow OEM Grade Federal/EPA Direct-Fit Catalytic Converter 51578 for Select 2009-2014 GM (5.3L)
$788.00
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2009-2014 Cadillac Escalade, Chevrolet Avalanche, Silverado 1500, Suburban 1500, Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL 1500 models (5.3L).
Keep your check engine light off and maintain factory exhaust performance with the MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51578. This bolt-on assembly is engineered to replicate original equipment geometry, utilizing a compact, low-mass spun body design for maximum thermal efficiency and a single laser fusion weld to eliminate potential leak points. The 16-gauge 409 stainless steel mandrel-bent tubing ensures smooth exhaust flow and superior corrosion resistance compared to aluminized alternatives.
This direct-fit unit is designed for simple installation using basic hand tools, requiring no cutting or welding. Every component is developed using precision 3D scanning to ensure exact fitment for specific GM truck and SUV chassis. The kit includes Torca Accuseal 360-degree clamps and all necessary gaskets and hardware to replace worn or corroded factory components reliably.
- Manufacturer Part Number: 51578
- Interchange Part Numbers: 19418941, 15905948
- Construction: 16-gauge 409 stainless steel tubing with 308 stainless steel MIG welds
- Hangers: Corrosion-resistant 410 stainless steel barbed hangers
- Compliance: EPA-compliant for OBDII Federally registered vehicles
- Features: Precision-stamped collector and mandrel-bent tubing for optimal flow
- Installation: Direct-fit bolt-on design; includes gaskets and hardware
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2013 | Cadillac | Escalade | Hybrid |
| 2010-2013 | Cadillac | Escalade | Hybrid Platinum |
| 2013 | Chevrolet | Avalanche | Black Diamond LS |
| 2013 | Chevrolet | Avalanche | Black Diamond LT |
| 2013 | Chevrolet | Avalanche | Black Diamond LTZ |
| 2009-2012 | Chevrolet | Avalanche | LS |
| 2009-2012 | Chevrolet | Avalanche | LT |
| 2009-2012 | Chevrolet | Avalanche | LTZ |
| 2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 2009-2013 | Chevrolet | Silverado 1500 | LS |
| 2009-2013 | Chevrolet | Silverado 1500 | LT |
| 2009-2013 | Chevrolet | Silverado 1500 | LTZ |
| 2009-2013 | Chevrolet | Silverado 1500 | WT |
| 2010-2013 | Chevrolet | Silverado 1500 | XFE |
| 2009-2014 | Chevrolet | Suburban 1500 | LS |
| 2009-2014 | Chevrolet | Suburban 1500 | LT |
| 2009-2014 | Chevrolet | Suburban 1500 | LTZ |
| 2010-2013 | Chevrolet | Tahoe | Hybrid |
| 2009-2014 | Chevrolet | Tahoe | LS |
| 2009-2014 | Chevrolet | Tahoe | LT |
| 2009-2014 | Chevrolet | Tahoe | LTZ |
| 2009-2014 | Chevrolet | Tahoe | PPV |
| 2012-2014 | Chevrolet | Tahoe | SSV |
| 2009-2013 | GMC | Sierra 1500 | Hybrid |
| 2009-2013 | GMC | Sierra 1500 | SL |
| 2009-2013 | GMC | Sierra 1500 | SLE |
| 2009-2013 | GMC | Sierra 1500 | SLT |
| 2009-2013 | GMC | Sierra 1500 | WT |
| 2010-2013 | GMC | Sierra 1500 | XFE |
| 2010-2013 | GMC | Yukon | Denali Hybrid |
| 2010-2013 | GMC | Yukon | Hybrid |
| 2009-2014 | GMC | Yukon | SLE |
| 2009-2014 | GMC | Yukon | SLT |
| 2009-2014 | GMC | Yukon XL 1500 | SLE |
| 2009-2014 | GMC | Yukon XL 1500 | SLT |
Choose your Location
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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MagnaFlow OEM Grade Federal/EPA Direct-Fit Catalytic Converter 51578 for Select 2009-2014 GM (5.3L)
$788.00
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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$788.00
$788.00
$788.00
Fits select 2009-2014 Cadillac Escalade, Chevrolet Avalanche, Silverado 1500, Suburban 1500, Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL 1500 models (5.3L).
Keep your check engine light off and maintain factory exhaust performance with the MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51578. This bolt-on assembly is engineered to replicate original equipment geometry, utilizing a compact, low-mass spun body design for maximum thermal efficiency and a single laser fusion weld to eliminate potential leak points. The 16-gauge 409 stainless steel mandrel-bent tubing ensures smooth exhaust flow and superior corrosion resistance compared to aluminized alternatives.
This direct-fit unit is designed for simple installation using basic hand tools, requiring no cutting or welding. Every component is developed using precision 3D scanning to ensure exact fitment for specific GM truck and SUV chassis. The kit includes Torca Accuseal 360-degree clamps and all necessary gaskets and hardware to replace worn or corroded factory components reliably.
- Manufacturer Part Number: 51578
- Interchange Part Numbers: 19418941, 15905948
- Construction: 16-gauge 409 stainless steel tubing with 308 stainless steel MIG welds
- Hangers: Corrosion-resistant 410 stainless steel barbed hangers
- Compliance: EPA-compliant for OBDII Federally registered vehicles
- Features: Precision-stamped collector and mandrel-bent tubing for optimal flow
- Installation: Direct-fit bolt-on design; includes gaskets and hardware
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2013 | Cadillac | Escalade | Hybrid |
| 2010-2013 | Cadillac | Escalade | Hybrid Platinum |
| 2013 | Chevrolet | Avalanche | Black Diamond LS |
| 2013 | Chevrolet | Avalanche | Black Diamond LT |
| 2013 | Chevrolet | Avalanche | Black Diamond LTZ |
| 2009-2012 | Chevrolet | Avalanche | LS |
| 2009-2012 | Chevrolet | Avalanche | LT |
| 2009-2012 | Chevrolet | Avalanche | LTZ |
| 2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 2009-2013 | Chevrolet | Silverado 1500 | LS |
| 2009-2013 | Chevrolet | Silverado 1500 | LT |
| 2009-2013 | Chevrolet | Silverado 1500 | LTZ |
| 2009-2013 | Chevrolet | Silverado 1500 | WT |
| 2010-2013 | Chevrolet | Silverado 1500 | XFE |
| 2009-2014 | Chevrolet | Suburban 1500 | LS |
| 2009-2014 | Chevrolet | Suburban 1500 | LT |
| 2009-2014 | Chevrolet | Suburban 1500 | LTZ |
| 2010-2013 | Chevrolet | Tahoe | Hybrid |
| 2009-2014 | Chevrolet | Tahoe | LS |
| 2009-2014 | Chevrolet | Tahoe | LT |
| 2009-2014 | Chevrolet | Tahoe | LTZ |
| 2009-2014 | Chevrolet | Tahoe | PPV |
| 2012-2014 | Chevrolet | Tahoe | SSV |
| 2009-2013 | GMC | Sierra 1500 | Hybrid |
| 2009-2013 | GMC | Sierra 1500 | SL |
| 2009-2013 | GMC | Sierra 1500 | SLE |
| 2009-2013 | GMC | Sierra 1500 | SLT |
| 2009-2013 | GMC | Sierra 1500 | WT |
| 2010-2013 | GMC | Sierra 1500 | XFE |
| 2010-2013 | GMC | Yukon | Denali Hybrid |
| 2010-2013 | GMC | Yukon | Hybrid |
| 2009-2014 | GMC | Yukon | SLE |
| 2009-2014 | GMC | Yukon | SLT |
| 2009-2014 | GMC | Yukon XL 1500 | SLE |
| 2009-2014 | GMC | Yukon XL 1500 | SLT |
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