GMC Mufflers & Resonators

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

Part Number: WLK-18406

4.67 out of 5 stars ( 3 )

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

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: Monday 3/23/2026 if shipped by air

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, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-18177

5.0 out of 5 stars ( 2 )

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

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: Monday 3/23/2026 if shipped by air

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

Part Number: WLK-18906

5.0 out of 5 stars ( 3 )

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

Exhaust Muffler Delete Pipe, 409 Stainless Steel, 3 in., Chevy, GMC, Each

Part Number: AFE-49C44114NM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Pipe-Resonator Assembly

Part Number: WLK-55728

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Ford, 6.0L, Diesel, Each

Part Number: APH-2506

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Muffler - Quiet-FlowSS - Domestic - TK

Part Number: WLK-21683

Not Yet Reviewed

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

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 2.625 in. Inlet/Outlet, Chevy, GMC, Each

Part Number: WLK-21919

5.0 out of 5 stars ( 2 )

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

Muffler, Tru-Fit, Steel, Aluminized, 2.0 in. Inlet, 2.0 in. Outlet, 25.0 in. Length, Each

Part Number: WLK-18101

Not Yet Reviewed

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

Challenge Muffler - Lifetime Warranty 14-16 Silverado / GMC Sierra 1500 Series 4.3L/5.3L 2WD/4WD

Part Number: APH-2621

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Muffler, Super 50 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-530552

4.67 out of 5 stars ( 6 )

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

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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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Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 29.500 in. Overall Length, Chevy, GMC, Each

Part Number: WLK-22678

Not Yet Reviewed

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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Walker Heavy Duty Muffler

Part Number: WLK-22449

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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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: 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, 3.00 in. Offset Inlet, 3.00 in. Center Outlet, 29.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-101-1202

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 29.50 in. Overall Length, Chevrolet, GMC, Each

Part Number: WLK-18219

Not Yet Reviewed

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