1990 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: Today

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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: Today

Muffler, Heavy-Duty, Oval, Steel, Aluminized, 4.00 in. Offset Inlet/Outlet, 34.00 in. Overall Length, Each

Part Number: WLK-22004

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Muffler, School Bus, 3 1/2 in. Inlet/4 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-22551

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Mufflers, Heavy-Duty, Steel, Aluminized, 39.000 in. Overall Length, Blue Bird, Chevy, GMC, Each

Part Number: WLK-22643

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: APH-3666

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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• Oversize $7.99
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Walker Heavy Duty Muffler

Part Number: WLK-22642

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22899

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22449

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, Steel, Aluminized, Dual 2.75 in. Inlets, 4 in. Outlet, International, Each

Part Number: WLK-22231

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, International, L6, Each

Part Number: APH-3916

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Ford, Each

Part Number: APH-3669

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Chevy, L6, V8, Each

Part Number: APH-3710

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Chevy, Ford, International, Thomas, Each

Part Number: APH-3632

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, International, Each

Part Number: APH-3703

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, International, L6, V8 Diesel, Each

Part Number: APH-3610

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Genesis Transit, International, Each

Part Number: APH-3716

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Estimated Ship Date: Jan 19, 2026 if ordered today

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