2003 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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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: Today

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: Today

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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: 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

Walker Heavy Duty Muffler

Part Number: WLK-22936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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• Oversize $7.99
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Muffler, TruckEx, Steel, Aluminized, Dodge, Ford, Each

Part Number: APH-3871

Not Yet Reviewed

Estimated Ship Date: Jan 16, 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: Today

Walker Heavy Duty Muffler

Part Number: WLK-22962

Not Yet Reviewed

Estimated Ship Date: Jan 19, 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 15, 2026 if ordered today

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Muffler, TruckEx, Oval, 4.00 in. Offset Inlet, 5.00 in. Offset Outlet, Each

Part Number: APH-4240

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: APH-4246

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Estimated Ship Date: Jan 16, 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 19, 2026 if ordered today

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