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Magnaflow

MagnaFlow 19-20 GMC Sierra 1500 Single Underbody 4.3L/5.3L Direct Fit Catalytic Converter

MagnaFlow 19-20 GMC Sierra 1500 Single Underbody 4.3L/5.3L Direct Fit Catalytic Converter

$1,097.99 USD
$1,097.99 USD
Sale Sold out
Shipping calculated at checkout.

Available on backorder

Shipping & returns

Orders over $99 ship free in the lower 48. Most in-stock gear leaves the warehouse the next business day. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 280656. 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 280656 includes (1) Clamp, (2) Gaskets and interchanges with OE parts 19420299, 23241309, 84520354, 84557805, 84655074. 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.

This Part Fits:

Year Make Model Submodel
2019-2021 Chevrolet Silverado 1500 Custom
2019-2023 Chevrolet Silverado 1500 Custom Trail Boss
2019-2023 Chevrolet Silverado 1500 High Country
2019-2023 Chevrolet Silverado 1500 LT
2019-2023 Chevrolet Silverado 1500 LT Trail Boss
2019-2023 Chevrolet Silverado 1500 LTZ
2023 Chevrolet Silverado 1500 PPV
2019-2023 Chevrolet Silverado 1500 RST
2019-2021 Chevrolet Silverado 1500 SSV
2019-2023 Chevrolet Silverado 1500 WT
2022 Chevrolet Silverado 1500 LTD High Country
2022 Chevrolet Silverado 1500 LTD LT
2022 Chevrolet Silverado 1500 LTD LT Trail Boss
2022 Chevrolet Silverado 1500 LTD LTZ
2022 Chevrolet Silverado 1500 LTD RST
2022 Chevrolet Silverado 1500 LTD SSV
2022 Chevrolet Silverado 1500 LTD WT
2021-2023 Chevrolet Suburban Commercial
2021-2023 Chevrolet Suburban LS
2021-2023 Chevrolet Suburban LT
2021-2023 Chevrolet Suburban Premier
2021-2023 Chevrolet Suburban RST
2021-2023 Chevrolet Suburban Z71
2022-2023 Chevrolet Tahoe Commercial
2021-2023 Chevrolet Tahoe LS
2021-2023 Chevrolet Tahoe LT
2021-2023 Chevrolet Tahoe PPV
2021-2023 Chevrolet Tahoe Premier
2021-2023 Chevrolet Tahoe RST
2021-2023 Chevrolet Tahoe SSV
2021-2023 Chevrolet Tahoe Z71
2019-2021 GMC Sierra 1500 AT4
2019-2021 GMC Sierra 1500 Base
2019-2023 GMC Sierra 1500 Denali
2019-2023 GMC Sierra 1500 Elevation
2022-2023 GMC Sierra 1500 Pro
2019-2023 GMC Sierra 1500 SLE
2019-2023 GMC Sierra 1500 SLT
2022 GMC Sierra 1500 Limited Denali
2022 GMC Sierra 1500 Limited Elevation
2022 GMC Sierra 1500 Limited Pro
2022 GMC Sierra 1500 Limited SLE
2022 GMC Sierra 1500 Limited SLT
2021-2023 GMC Yukon AT4
2021-2023 GMC Yukon SLE
2021-2023 GMC Yukon SLT
2021-2023 GMC Yukon XL AT4
2021-2023 GMC Yukon XL SLE
2021-2023 GMC Yukon XL SLT

  • Free shipping over $99

    Orders over $99 ship free in the lower 48. Most in-stock gear leaves the warehouse the next business day.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.