GMC Mufflers & Resonators

Mufflers-Quiet-Flow

Part Number: WLK-22307

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Estimated Ship Date: Today

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 24 in. Length, Chevy, GMC, Each

Part Number: WLK-21481

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Estimated Ship Date: Today

Walker Quiet-Flow SS Muffler

Part Number: WLK-21614

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Muffler, dB Series, Stainless Steel, Chevy, GMC, Pickup, GM, Duramax 6.2/6.5/6.6L, Each

Part Number: CSE-8004000

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Muffler, Tru-Fit Series, Steel, Aluminized, 3.00 in. Inlet/3.00 in. Outlet, Each

Part Number: WLK-18180

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Muffler, SoundFX Series, Steel, Aluminized, 2.00 in. Inlet/1.812 in. Outlet, Each

Part Number: WLK-17829

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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Muffler, Quiet-Flow 3, 2.625 in. Inlet/Outlet, Steel, Aluminized, Chevy, GMC, Each

Part Number: WLK-21423

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Muffler - Quiet-FlowSS - Domestic - TK

Part Number: WLK-21683

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Muffler, Replacement, 3.0 in. Center Inlet/Dual 2.25 in. Outlets, Steel, Aluminized, Each

Part Number: SUM-638011

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Today

Muffler Assembly - Quiet-FlowSS - Domestic - TK

Part Number: WLK-54888

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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: Today

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 28.000 in. Overall Length, Cadillac, Chevy, GMC, Each

Part Number: WLK-18957

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Jan 6, 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: Today

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: Jan 8, 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: Jan 12, 2026 if ordered today

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• Oversize $44.99
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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: Today

Walker Exhaust Resonator and Pipe Assembly

Part Number: WLK-55615

Not Yet Reviewed

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Walker Quiet-Flow SS Muffler

Part Number: WLK-21437

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Muffler, MSL, Chevy, Dodge, GMC, Plymouth, Each

Part Number: APH-6595

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22642

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Muffler, Vortex, 3.000 in. Inlet/3.000 in. Dual Outlet, Steel, Gray Aluminized, Each

Part Number: IMM-88110CB

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow if ordered today

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Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, V6, V8, Each

Part Number: APH-XS2288

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

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Muffler, School Bus, Round, Stainless Steel, Natural, 39.00 in. Overall Length, Each

Part Number: WLK-22566

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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