Mufflers

Muffler, Quiet Tone Series, Round, Steel, Aluminized, 4 in. Center Inlet/Outlet, 30 in. Length, Each

Part Number: MBR-M1004A

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

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Muffler, Race Bullet, 4 in. Inlet/4 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-24217

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

Muffler, Outlaw, Shorty, 4 in. Inlet Diameter, 4 in. Outlet Diameter, Steel, Black, Each

Part Number: FLO-15440S

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Muffler, Maximum Flow, 4 in. Inlet/4 in. Outlet, 14 in. Case Length, Steel, Aluminized, Each

Part Number: HOK-21609HKR

4.36 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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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: 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 )

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

Part Number: WLK-22572

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Walker Heavy Duty Muffler

Part Number: WLK-22664

Not Yet Reviewed

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Muffler, Heavy-Duty, 4.00 in. Center Inlet/Outlet, 51.50 in. Overall Length, Steel, Aluminized, Each

Part Number: WLK-22916

5.0 out of 5 stars ( 2 )

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, Replacement, 4.0 in. Inlet/4.0 in. Outlet, 37.0 in. Length, Steel, Natural, Each

Part Number: WLK-21471

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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Muffler, Delta Force One Chamber, 4 in. Inlet/4 in. Outlet, Steel, Black, Each

Part Number: FLO-954010-12

Not Yet Reviewed

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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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

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Muffler, Glasspack, 4.000 in. Inlet/4.000 in. Outlet, Steel, Red, Each

Part Number: IMM-87528CB

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Muffler, OE Replacement, Steel, Aluminized, Dodge, 5.9L, Diesel, Each

Part Number: APH-2519

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

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Muffler, 4.00 in. Center Inlet, 4.00 in. Center Outlet, 30.00 in. Overall length, Round, Aluminized Steel, Universal, Each

Part Number: MBR-M20681

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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: Feb 2, 2026 if ordered today

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Walker Heavy Duty Muffler

Part Number: WLK-22899

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Muffler, Quiet-Flow SS, Round, Turbo-style, Steel, Aluminized, Dodge, 5.9L Diesel, Each

Part Number: WLK-21443

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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