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Magnaflow Exhaust Kit For Chevrolet Silverado GMC Sierra

Easy Install

OEM fit and finish for easy installation!

Premium Parts

All parts are premium ISO/TS 16949 quality.

Expertly Built

Our parts are engineered and manufactured to meet or exceed the standards of the Original Equipment.

Tested and Approved

Each part is run through rigorous testing before it leaves the factory.

ABOUT THIS ITEM

As one of the world's largest automotive parts suppliers, our parts are trusted every day by mechanics and vehicle owners worldwide. This Performance Exhaust System is manufactured and tested to the strictest OE car and truck standards for unparalleled performance. Built for trouble-free ownership and 100% visually inspected and quality tested, this Performance Exhaust System is backed by our 100% satisfaction guarantee.

The Street Series Black Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound. Features Black coated tips. MagnaFlow Performance Exhaust System Kit 19478 is made of durable stainless steel and built using CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s limited lifetime construction warranty and 1 year finish warranty.

Exhaust Tip Length - 12.25 in., Exhaust Tip Shape - Round, Exhaust Tip Quantity - 4, Exhaust Tip Diameter - 3.5 in., Exhaust Tip Finish - Black Coated, Exhaust Tip Material - Stainless Steel, Muffler Type - Straight-Through, Clamps Included - Yes, Muffler Body Length - 14 in., Type - Cat-Back, Gasket Or Seal Included - No, Pipe Material - Stainless Steel, Clamping Type - Round Band, Hangers Included - Yes, Muffler Body Material - Stainless Steel, Muffler Quantity - 1, Inlet Type - Clamp-On, Valve Included - No, Mounting Bracket Included - Yes, Exit Style - Quad Split Rear, Main Piping Diameter - 3 in., Exhaust Tip Connection - Welded-On, Exhaust Tip Wall - Double Wall, Exhaust Tip Cut - Angle Cut, Exhaust Tip Edge - Folded Edge, Exhaust Tip Resonated - No, Exhaust Tip Intercooled - No, Muffler Finish - Brushed, Muffler Body Height - 6 in., Muffler Body Width - 6 in., Catalytic Converter Included - No, Prop 65 Y/N - No

Technical Specifications

Part Type:Performance Exhaust System

SKU:U7-L1498 MA

Brand:MagnaFlow Exhaust Products

Part Number:19478

Condition:NEW

Warranty:Lifetime

Weight:60.0000

UPC:888563133645

Interchange Part Numbers

20389197-101

Vehicle Fitment

YearMakeModelDetails
2019ChevroletSilverado 1500Silverado 1500 - Custom - 5.3L Engine - Quad Split Rear Exit
2019ChevroletSilverado 1500Silverado 1500 - Custom Trail Boss - 5.3L Engine - Quad Split Rear Exit
2019ChevroletSilverado 1500Silverado 1500 - High Country - 5.3L Engine - Quad Split Rear Exit
2019ChevroletSilverado 1500Silverado 1500 - LT - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019ChevroletSilverado 1500Silverado 1500 - LT Trail Boss - 5.3L Engine - Quad Split Rear Exit
2019ChevroletSilverado 1500Silverado 1500 - LTZ - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019ChevroletSilverado 1500Silverado 1500 - RST - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020ChevroletSilverado 1500Silverado 1500 - Custom - 5.3L Engine - Quad Split Rear Exit
2020ChevroletSilverado 1500Silverado 1500 - Custom Trail Boss - 5.3L Engine - Quad Split Rear Exit
2020ChevroletSilverado 1500Silverado 1500 - High Country - 5.3L Engine - Quad Split Rear Exit
2020ChevroletSilverado 1500Silverado 1500 - LT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020ChevroletSilverado 1500Silverado 1500 - LT Trail Boss - 5.3L Engine - Quad Split Rear Exit
2020ChevroletSilverado 1500Silverado 1500 - LTZ - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020ChevroletSilverado 1500Silverado 1500 - RST - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021ChevroletSilverado 1500Silverado 1500 - Custom - 5.3L Engine - Quad Split Rear Exit
2021ChevroletSilverado 1500Silverado 1500 - Custom Trail Boss - 5.3L Engine - Quad Split Rear Exit
2021ChevroletSilverado 1500Silverado 1500 - High Country - 5.3L Engine - Quad Split Rear Exit
2021ChevroletSilverado 1500Silverado 1500 - LT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021ChevroletSilverado 1500Silverado 1500 - LT Trail Boss - 5.3L Engine - Quad Split Rear Exit
2021ChevroletSilverado 1500Silverado 1500 - LTZ - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021ChevroletSilverado 1500Silverado 1500 - RST - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2022ChevroletSilverado 1500Silverado 1500 - High Country - 5.3L Engine - w/ Quad Split Rear Exit
2022ChevroletSilverado 1500Silverado 1500 - LT - 5.3L Engine - w/ Quad Split Rear Exit - w/ Factory Dual Exhaust
2022ChevroletSilverado 1500Silverado 1500 - LT Trail Boss - 5.3L Engine - w/ Quad Split Rear Exit
2022ChevroletSilverado 1500Silverado 1500 - LTZ - 5.3L Engine - w/ Quad Split Rear Exit - w/ Factory Dual Exhaust
2022ChevroletSilverado 1500Silverado 1500 - RST - 5.3L Engine - w/ Quad Split Rear Exit - w/ Factory Dual Exhaust
2023ChevroletSilverado 1500Silverado 1500 - Custom Trail Boss - 5.3L Engine - Quad Split Rear Exit
2023ChevroletSilverado 1500Silverado 1500 - High Country - 5.3L Engine - Quad Split Rear Exit
2023ChevroletSilverado 1500Silverado 1500 - LT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023ChevroletSilverado 1500Silverado 1500 - LT Trail Boss - 5.3L Engine - Quad Split Rear Exit
2023ChevroletSilverado 1500Silverado 1500 - LTZ - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023ChevroletSilverado 1500Silverado 1500 - RST - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2024ChevroletSilverado 1500Silverado 1500 - Custom Trail Boss - 5.3L Engine - Quad Split Rear Exit
2024ChevroletSilverado 1500Silverado 1500 - High Country - 5.3L Engine - Quad Split Rear Exit
2024ChevroletSilverado 1500Silverado 1500 - LT - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2024ChevroletSilverado 1500Silverado 1500 - LT Trail Boss - 5.3L Engine - Quad Split Rear Exit
2024ChevroletSilverado 1500Silverado 1500 - LTZ - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2024ChevroletSilverado 1500Silverado 1500 - RST - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2025ChevroletSilverado 1500Custom Trail Boss - 5.3L Engine - Quad Split Rear Exit
2025ChevroletSilverado 1500High Country - 5.3L Engine - Quad Split Rear Exit
2025ChevroletSilverado 1500LT - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2025ChevroletSilverado 1500LT Trail Boss - 5.3L Engine - Quad Split Rear Exit
2025ChevroletSilverado 1500LTZ - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2025ChevroletSilverado 1500RST - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2019GMCSierra 1500AT4 - 5.3L Eng. - Quad Split Rear Exit
2019GMCSierra 1500AT4 - 5.3L Engine - Quad Split Rear Exit
2019GMCSierra 1500Denali - 5.3L Eng. - Quad Split Rear Exit
2019GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2019GMCSierra 1500Elevation - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019GMCSierra 1500Elevation - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019GMCSierra 1500SLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019GMCSierra 1500SLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust - Exc. Sierra 1500 Limited
2019GMCSierra 1500SLT - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019GMCSierra 1500SLT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020GMCSierra 1500AT4 - 5.3L Eng. - Quad Split Rear Exit
2020GMCSierra 1500AT4 - 5.3L Engine - Quad Split Rear Exit
2020GMCSierra 1500Denali - 5.3L Eng. - Quad Split Rear Exit
2020GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2020GMCSierra 1500Elevation - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020GMCSierra 1500Elevation - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020GMCSierra 1500SLE - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020GMCSierra 1500SLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020GMCSierra 1500SLT - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2020GMCSierra 1500SLT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021GMCSierra 1500AT4 - 5.3L Eng. - Quad Split Rear Exit
2021GMCSierra 1500AT4 - 5.3L Engine - Quad Split Rear Exit
2021GMCSierra 1500Denali - 5.3L Eng. - Quad Split Rear Exit
2021GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2021GMCSierra 1500Elevation - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021GMCSierra 1500Elevation - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021GMCSierra 1500SLE - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021GMCSierra 1500SLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021GMCSierra 1500SLT - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2021GMCSierra 1500SLT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500Denali - 5.3L Eng. - w/ Quad Split Rear Exit
2022GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2022GMCSierra 1500Elevation - 5.3L Eng. - w/ Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500Elevation - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500SLE - 5.3L Eng. - w/ Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500SLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500SLT - 5.3L Eng. - w/ Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500SLT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023GMCSierra 1500Denali - 5.3L Eng. - Quad Split Rear Exit
2023GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2023GMCSierra 1500Elevation - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023GMCSierra 1500Elevation - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023GMCSierra 1500SLE - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023GMCSierra 1500SLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023GMCSierra 1500SLT - 5.3L Eng. - Quad Split Rear Exit - w/ Factory Dual Exhaust
2023GMCSierra 1500SLT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2024GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2024GMCSierra 1500Elevation - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2024GMCSierra 1500SLE - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2024GMCSierra 1500SLT - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2025GMCSierra 1500Denali - 5.3L Engine - Quad Split Rear Exit
2025GMCSierra 1500Elevation - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2025GMCSierra 1500SLE - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2025GMCSierra 1500SLT - 5.3L Engine - w/ Factory Dual Exhaust - Quad Split Rear Exit
2022GMCSierra 1500 LimitedDenali - 5.3L Engine - Quad Split Rear Exit
2022GMCSierra 1500 LimitedElevation - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500 LimitedSLE - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2022GMCSierra 1500 LimitedSLT - 5.3L Engine - Quad Split Rear Exit - w/ Factory Dual Exhaust
2019UnknownUnknownNew MagnaFlow Exhaust Products Exhaust System Kit - MagnaFlow Exhaust Products 19478

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