2021 CHEVROLET SILVERADO 1500 Mufflers Mufflers & Resonators Exhaust

Flowmaster 70 Series Big Block II Steel 3 Inch Muffler 53071

Muffler, Big Block II 70 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-53071

4.55 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Flowmaster Stainless Steel 40 Series 409 Stainless Steel 3 Inch Muffler 8043041

Muffler, 40 Series, 3 in. Inlet/3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8043041

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Flowmaster Super 50 Series Performance Steel 3 Inch Muffler 53056

Muffler, Super 50 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-53056

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Borla S-Type 304 Stainless Steel 3.5 Inch Muffler 60679

Borla S-Type 304 Stainless Steel 3.5 Inch Muffler 60679

Muffler, Secondary Muffler, S-Type Sound, Chevy, GMC, 6.2L, Each

Part Number: BOR-60679

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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aFe Apollo GT 409 Stainless Steel 3 Inch Muffler 49C44121

Mufflers, Apollo GT, 409 Stainless Steel, Muffler Upgrade, 3 in. Pipe, Chevy, GMC, Kit

Part Number: AFE-49C44121

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Borla Polyphonic Harmonizers 60680

Polyphonic Harmonizer, Secondary Muffler, ATAK Sound, Chevy, GMC, 6.2L, Each

Part Number: BOR-60680

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Flowmaster Super 40 Series Delta Flow 409 Stainless Steel 3 Inch Muffler 853046

Muffler, Super 40 Series, Oval, Stainless, Offset 3.0 in. Inlet, Center 3.0 in. Outlet, 13.5 in. Case Length

Part Number: FLO-853046

Not Yet Reviewed

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Flowmaster FlowFX Active Dual Mode 409 Stainless Steel 3 Inch Muffler 717911

Muffler, FlowFX, Active Dual Mode, Direct Fit, Chevrolet, GMC, 5.3L, Each

Part Number: FLO-717911

Not Yet Reviewed

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aFe Apollo GT 409 Stainless Steel 3 Inch Muffler 49C44137

Muffler Upgrade, Apollo GT, 409 Stainless Steel, Natural, Perforated Core, 3 in. Inlet, 3 in. Outlet, Chevy, GMC, Each

Part Number: AFE-49C44137

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dynomax Ultra Flo Welded Steel 3 Inch Muffler 17547

Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each

Part Number: WLK-17547

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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AP Exhaust Challenge Steel 3 Inch Muffler 2621

Challenge Muffler - Lifetime Warranty 14-16 Silverado / GMC Sierra 1500 Series 4.3L/5.3L 2WD/4WD

Part Number: APH-2621

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

MagnaFlow D-Fit Performance 409 Stainless Steel 3.5 Inch Muffler 19534

Muffler, 3.50 in. Inlet/3.50 in. Outlet, Stainless Steel, Natural, Chevy, GMC, Kit

Part Number: MPE-19534

Not Yet Reviewed

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MagnaFlow Mufflers 19533

Direct-Fit Muffler Replacement Kit With Muffler

Part Number: MPE-19533

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

MagnaFlow Mufflers 51366

2.50" Uni. Ford 8617 Mid-Bed Series

Part Number: MPE-51366

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today