2004 Mufflers

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Muffler, Quiet-Flow SS, Oval, Offset/Offset, Stainless Steel, Natural, Dodge, Each

Part Number: WLK-54637

4.52 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-21172

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Muffler, Pro Series, 4.0 in. Inlet/4.0 in. Outlet, Steel, Black, 24.0 in. Length, Each

Part Number: FLO-14020100

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Muffler, Ultra Flo Welded, Oval, 4 in. Inlet/4 in. Outlet, Stainless Steel, Chevy, GMC/Hummer, Each

Part Number: WLK-17557

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17225

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 2.50 in. Offset Inlet, Two 4.00 in. Side Outlets, Each

Part Number: WLK-54647

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Mufflers, Heavy-Duty, Steel, Aluminized, 40.000 in. Overall Length, Mack, Each

Part Number: WLK-21838

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Walker Heavy Duty Muffler

Part Number: WLK-22936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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• Oversize $7.99
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Muffler, TruckEx, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-3894

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Mufflers, Direct-Fit, 4.00 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 37.50 in. Overall Length, Dodge, Each

Part Number: BRE-100-8462

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Ford, Freightliner, Each

Part Number: APH-3700

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Muffler, SoundFX, Steel, Aluminized, With Dual Tips, Nissan, Infiniti, Each

Part Number: WLK-28014

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 13, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Thomas, 7.2L, Each

Part Number: APH-4246

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Mufflers, TruckEx, Steel, Aluminized, Round Case, 3.00 in. Offset Inlet, 4.00 in. Offset Outlet, 42.00 in. Overall Length, Freightliner, Each

Part Number: APH-4224

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Blue Bird, GMC, Each

Part Number: APH-4227

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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