GMC Mufflers & Resonators

Walker Quiet-Flow SS Muffler

Part Number: WLK-21482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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

Part Number: WLK-21367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Muffler, MSL, Chevy, Dodge, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-700020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700141

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700052

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700109

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Resonator, Steel, Aluminized, Inlet Diameter 2.625 in., Outlet Diameter 2.750 in., Chevrolet, GMC, Each

Part Number: WLK-55687

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Muffler, Delta Flow 40 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-9430402

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Resonator, Natural, Steel, Each

Part Number: WLK-55272

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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

Part Number: WLK-21391

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Estimated Ship Date: Feb 26, 2026 if ordered today

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

Part Number: WLK-22171

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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

Part Number: WLK-22674

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mufflers, Direct-Fit, 2.50 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 19.25 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-7277

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: APH-2184

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-3894

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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

Part Number: WLK-18941

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Estimated Ship Date: Feb 24, 2026 if ordered today

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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: Feb 26, 2026 if ordered today

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Muffler, SoundFX, 2.000 in. Inlet/Outlet, Oval, Steel, Aluminized, Chevy, GMC, Cadillac, Each

Part Number: WLK-18985

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, L6, V6, V8, Each

Part Number: APH-2943

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 33.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18218

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Muffler, SoundFX, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, C/K-Series Pickup, Each

Part Number: WLK-18344

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Estimated Ship Date: Feb 24, 2026 if ordered today

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

Part Number: APH-700292

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Estimated Ship Date: Feb 23, 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: Feb 26, 2026 if ordered today

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Muffler, SoundFX Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-17853

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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