Mufflers

Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942543

4.64 out of 5 stars ( 11 )

Estimated Ship Date: 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, 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: 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, Replacement, 5.0 in. Inlet/5.0 in. Outlet, 51.0 in. Length, Steel, Aluminized, Bluebird School Bus

Part Number: WLK-22920

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Oversize $15.99

Muffler, Mega-Flow, Round, Chambered, Steel, Aluminized, 4 in. Center Inlet and Outlet, 51 in. Length, Each

Part Number: WLK-22965

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Oversize $15.99

Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Ford, Each

Part Number: WLK-21742

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Ford, Van, Pickup, Each

Part Number: WLK-22100

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Walker Heavy Duty Muffler

Part Number: WLK-22936

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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• Oversize $15.99
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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: Today

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Quiet-Flow SS Muffler

Part Number: WLK-21725

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Muffler, Replacement, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Ford, GMC, Each

Part Number: WLK-21475

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Muffler, School Bus, Round, Stainless Steel, Natural, 39.00 in. Overall Length, Each

Part Number: WLK-22566

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Muffler, SoundFX, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Ford, Pickup, Each

Part Number: WLK-18373

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Muffler, Quiet-Flow SS, Round, Stainless Steel, Aluminized, Each

Part Number: WLK-21259

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Muffler, Quiet-Flow SS, Direct-Fit, Stainless Steel, Aluminized, Ford, Each

Part Number: WLK-21507

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 3.00 in. Offset Inlet/Outlet, 24.000 in. Overall Length, Ford, V8, V10, Each

Part Number: WLK-21583

Not Yet Reviewed

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026 if ordered today

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Muffler, Premium Pro-Fit, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17197

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Chevrolet, GMC, Each

Part Number: APH-700365

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22789

Not Yet Reviewed

Estimated Ship Date: Nov 16, 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: Nov 9, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22962

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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• Oversize $15.99
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Walker Heavy Duty Muffler

Part Number: WLK-22941

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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• Oversize $15.99
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Muffler, MSL, Dodge, Plymouth, Each

Part Number: APH-700050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today