GMC Mufflers

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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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 29.000 in. Overall Length, Chevy, GMC, Each

Part Number: WLK-18823

3.33 out of 5 stars ( 3 )

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

Muffler, Direct Fit, SoundFX, Oval, Steel, Aluminized, Chevy, GMC, 4.3L, Each

Part Number: WLK-18934

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 5.3L, Each

Part Number: APH-2549

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Muffler, Quiet-Flow 3, 2 3/4 in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-21046

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 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 6, 2026 if ordered today

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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 29.000 in. Overall Length, Chevy, GMC, Each

Part Number: WLK-18216

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

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 32.50 in. Overall Length, Chevrolet, GMC, Oldsmobile, Each

Part Number: WLK-18813

5.0 out of 5 stars ( 2 )

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

Muffler, SoundFX, Oval, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: WLK-18915

5.0 out of 5 stars ( 7 )

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

Muffler, Tru-Fit Series, Steel, Aluminized, 2.75 in. Inlet/2.75 in. Outlet, Each

Part Number: WLK-18138

4.5 out of 5 stars ( 6 )

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

Walker Quiet-Flow SS Muffler

Part Number: WLK-21482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 2.75 in. Center Inlet, 2.50 in. Offset Outlet, 42.00 in. Overall Length, Each

Part Number: WLK-54654

4.5 out of 5 stars ( 2 )

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

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

Part Number: WLK-21356

1.0 out of 5 stars ( 1 )

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

Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 31.38 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18941

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, SoundFX, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-18269

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: WLK-21759

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

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2114

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Oldsmobile, 4.3L, Each

Part Number: APH-2176

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2303

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700173

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Chevrolet, GMC, 4.3L, Each

Part Number: APH-700350

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700158

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-2406

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2099

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2205

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Estimated Ship Date: Apr 7, 2026 if ordered today

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