GMC Mufflers

Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, Big Block 50 Series, Dual 2 3/4 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-527504

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Muffler, FlowFX, 3.50 in. Inlet, 3.50 in. Outlet, 409 Stainless Steel, Natural, Center Inlet, Center Outlet, Chevy, GMC, 6.6L/401 Engine, Each

Part Number: FLO-718155

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Mufflers, Muffler - CHALLENGE

Part Number: APH-2644

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: AFE-49C44114

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Mufflers, Direct-Fit, 2.50 in. Single Inlet/2.00 in. Dual Outlet, Steel, Aluminized, Oval Case, 32.25 in. Overall Length, Chevrolet, Ford, GMC, Each

Part Number: BRE-100-5140

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, Quiet-FlowSS, Oval, Stainless Steel, Natural, Chevy, GMC, V6, Each

Part Number: WLK-50081

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Estimated Ship Date: Apr 13, 2026 if ordered today

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• Oversize $46.99
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