GMC Mufflers

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-42441

4.88 out of 5 stars ( 32 )

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

Muffler, FlowFX Series, 2.25 in. Offset Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71225

4.58 out of 5 stars ( 26 )

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

Muffler, FlowFX Series, 3.5 in. Inlet/3.5 in. Outlet, Stainless Steel, Natural, Oval Body, Each

Part Number: FLO-74151

5.0 out of 5 stars ( 5 )

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

Muffler, Super Turbo, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17748

4.6 out of 5 stars ( 30 )

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

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Chevy, GMC, Each

Part Number: WLK-21762

3.2 out of 5 stars ( 5 )

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

Mufflers, Quiet-Flow SS, Stainless Steel, Natural, 30.000 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: WLK-21684

5.0 out of 5 stars ( 1 )

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

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Muffler, 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8042441

4.67 out of 5 stars ( 6 )

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

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 2.25 in. Offset Inlet/Outlet, 19.00 in. Overall Length, Each

Part Number: WLK-21690

4.14 out of 5 stars ( 7 )

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

Muffler, Salute, Oval, 3.000 in. Inlet/Two 2.500 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2198

4.78 out of 5 stars ( 9 )

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

Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18230

4.79 out of 5 stars ( 19 )

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

Muffler, Quiet-Flow SS, Oval, Turbo-style, Stainless Steel, Aluminized, 2.25 in. Offset Inlet/Outlet, 43.188 in. Overall Length, Each

Part Number: WLK-50072

5.0 out of 5 stars ( 5 )

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

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Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: WLK-21431

4.0 out of 5 stars ( 1 )

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

Muffler - Quiet-FlowSS - Domestic - TK

Part Number: WLK-21683

Not Yet Reviewed

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

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 3.00 in. Offset Inlet, 2.50 in. Offset Outlet, 24.000 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18223

Not Yet Reviewed

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

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-22512

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18112

5.0 out of 5 stars ( 2 )

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

Muffler, SoundFX, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, 4 Door, Chevy, GMC, Oldsmobile, Each

Part Number: WLK-18451

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, Tru-Fit, Steel, Aluminized, 2.25 in. Inlet, 2.25 in. Outlet, 26.0 in. Length, Each

Part Number: WLK-18113

5.0 out of 5 stars ( 2 )

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

Muffler, Salute, Oval, 3.000 in. Inlet/Two 3.000 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2298

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Dodge, Ram, 3.7, 4.7, 5.7L, Each

Part Number: APH-2566

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Oldsmobile, Each

Part Number: APH-700150

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 35.63 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18829

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler 09-14 Express / Savanna 1500 4.3L/5.3L 10-17 Express / Savana 2500 4.8L/6.0L

Part Number: APH-2650

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Exhaust Muffler, Walker Quiet-Flow SS Muffler

Part Number: WLK-22294

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, Quiet-Flow 3, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21195

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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