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2015 GMC SIERRA-3500-HD Mufflers

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Flowmaster Super 40 Series Delta Flow 409 Stainless Steel 3.5 Inch Muffler 853548

Muffler, Super 40 Series Delta Flow, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, Chevy, Ford, Ram

Part Number: FLO-853548

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Muffler, Ultra Flo Welded, Oval, 4 in. Inlet/4 in. Outlet, Stainless Steel, Chevy, GMC/Hummer, Each

Part Number: WLK-17557

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mufflers, Muffler - CHALLENGE

Part Number: APH-2644

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today