Mufflers

Muffler, Heavy-Duty, Round, Steel, Aluminized, 4.00 in. Offset Inlet/Outlet, 31.50 in. Overall Length, Each

Part Number: WLK-21969

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Muffler, Valved Muffler, Oval, 4.00 in. Single Inlet, 4.00 in. Single Outlet, Stainless Steel, Polished, Kit

Part Number: VLD-S0642

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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 )

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Muffler, Replacement, 4 in. Inlet/4 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-22958

5.0 out of 5 stars ( 1 )

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Muffler, Superflow, Two 3 in. Inlets/Two 4 in. Outlets, 30 in. Length, Stainless Steel, Polished, Each

Part Number: GIB-788050S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 27, 2026 if ordered today

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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 )

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Walker Heavy Duty Muffler

Part Number: WLK-22664

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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

3.0 out of 5 stars ( 7 )

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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 )

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Mufflers, Quiet-Flow SS, Stainless Steel, Natural, 17.000 in. Overall Length, Dodge, Ram, Each

Part Number: WLK-21649

3.67 out of 5 stars ( 3 )

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Muffler, Heavy-Duty, Round, Steel, Aluminized, 3.500 in. Offset Inlet, 4.000 in. Side Outlet, 34.00 in. Overall Length, Universal, Each

Part Number: WLK-21074

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Estimated Ship Date: Nov 23, 2026 if ordered today

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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 )

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Mufflers, Heavy-Duty, Steel, Aluminized, 4.00 in. Offset Inlet/Outlet, 42.000 in. Overall Length, Ford, 5.9L Diesel, 8.2L Diesel, Each

Part Number: WLK-22888

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Muffler, Ultra Flo Welded, Stainless Steel, Natural, 2.50 in. Offset Inlet, 4.00 in. Center Outlet, 25.50 in. Overall Length, Each

Part Number: WLK-53876

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Muffler, Ultra Flo Welded, Stainless Steel, Natural, 2.50 in. Offset Inlet, 4.00 in. Center Outlet, 25.50 in. Overall Length, Each

Part Number: WLK-53875

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22789

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Estimated Ship Date: Nov 23, 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: Nov 11, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, International, Each

Part Number: APH-3670

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Universal, Each

Part Number: APH-3706

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Muffler, Heavy-Duty, Oval, Steel, Aluminized, 4.00 in. Offset Inlet/Outlet, 36.00 in. Overall Length, Each

Part Number: WLK-21833

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 23, 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: Nov 23, 2026 if ordered today

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Mufflers, Ultra Flo Welded, Stainless Steel, Natural, 25.250 in. Overall Length, Chevy, 3.6L, 6.2L, Each

Part Number: WLK-17579

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Muffler, Truck/SUV Valved Muffler, Oval, 4.00 in. Single Inlet, 4.00 in. Single Outlet, Stainless Steel, Polished, Kit

Part Number: VLD-S0640

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Estimated Ship Date: Nov 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: Nov 11, 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: Nov 11, 2026 if ordered today

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