GMC Mufflers & Resonators

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: Oct 15, 2025 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700144

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.3, 5.7, 7.4L, Each

Part Number: APH-3533

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Estimated Ship Date: Oct 13, 2025 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: Oct 14, 2025 if ordered today

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Resonator, Steel, Aluminized, 2.00 in. Inlet, 2.25 in. Outlet, 30.90 in. Overall Length, Each

Part Number: WLK-53912

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22642

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Estimated Ship Date: Oct 13, 2025 if ordered today

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

Part Number: WLK-21910

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 5.7, 6.2, 6.5, 7.4L, Each

Part Number: APH-3423

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Mufflers, Muffler - CHALLENGE

Part Number: APH-2644

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Mufflers-SoundFX

Part Number: WLK-27260

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Estimated Ship Date: Oct 15, 2025 if ordered today

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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 31.000 in. Overall Length, Buick, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, L6, V6, Each

Part Number: WLK-17165

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: APH-700258

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Mufflers, MSL Maximum, Oval Case, Steel, Aluminized, 21.780 in. Overall Length, Rear Muffler, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: APH-700345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Muffler, 2.50 in. Offset Inlet, 2.25 in. Offset Outlet, 26.50 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-100-5086

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700121

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 29.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18342

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Muffler, MSL, Steel, Aluminized, Chevy, GMC, 5.0, 5.7L, Each

Part Number: APH-6557

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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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: Oct 14, 2025 if ordered today

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Resonator, Steel, Aluminized, 2.00 in. Inlet, 2.25 in. Outlet, 30.90 in. Overall Length, Each

Part Number: WLK-53911

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22449

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700109

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Muffler, Ultra Flo Welded, 3 in. Inlet/Dual 2 1/2 in. Outlet, Stainless Steel, Each

Part Number: WLK-17228

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mufflers, OE Replacement, Steel, Aluminized, Round Case, Chevrolet, GMC, Each

Part Number: APH-54227

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Mufflers, Direct-Fit, 2.00 in. Dual Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Oval Case, 25.75 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: BRE-100-7086

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Walker Quiet-Flow SS Muffler

Part Number: WLK-21482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 14, 2025 if ordered today

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