Mufflers - 4.00 Outlet Diameter (in.) - 11.000 in. Width (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Walker Quiet-Flow SS 409 Stainless Steel 2.5 Inch Muffler 54647

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 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Walker Heavy-Duty Steel 4 Inch Muffler 22899

Walker Heavy Duty Muffler

Part Number: WLK-22899

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Heavy-Duty Steel 4 Inch Muffler 22888

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: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Walker Heavy-Duty Steel 4 Inch Muffler 22789

Walker Heavy Duty Muffler

Part Number: WLK-22789

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust TruckEx Steel 4 Inch Muffler 3700

Muffler, TruckEx, Steel, Aluminized, Ford, Freightliner, Each

Part Number: APH-3700

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

AP Exhaust TruckEx Steel 4 Inch Muffler 4225

Mufflers, TruckEx, Steel, Aluminized, Round Case, 4.00 in. Offset Inlet/Outlet, 43.00 in. Overall Length, Freightliner, Each

Part Number: APH-4225

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

AP Exhaust TruckEx Steel 3.5 Inch Muffler 3716

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

Part Number: APH-3716

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

AP Exhaust TruckEx Steel 4 Inch Muffler 3928

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

Part Number: APH-3928

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 2.5 Inch Muffler 50098

Muffler, Quiet-FlowSS, Oval, Stainless Steel, Natural, Ford, V6, Each

Part Number: WLK-50098

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

AP Exhaust TruckEx Steel 4 Inch Muffler 4246

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

Part Number: APH-4246

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today