Availability
Mufflers
Muffler, Widowmaker, 4.00 in. Center, 4.00 in. Center, 10.00 in. Case Length, 5.00 in. Diameter, Stainless Steel, Brushed, Each
Part Number: BWE-BW0013-4
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Varex, Oval, 304 Stainless Steel, Brushed, 4.00 in. Center Inlet/Outlet, 24.50 in. Overall Length, Each
Part Number: XFO-VMK-18-400
Estimated Ship Date: Today
Estimated Ship Date: Today
Walker Heavy Duty Muffler
Part Number: WLK-22664
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Heavy-Duty, Steel, Aluminized, 40.000 in. Overall Length, Mack, Each
Part Number: WLK-21838
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Turbine, Staight-Through, 4.000 in. Inlet/Outlet, Round, 26.00 in. Length, 6.00 in. Diameter, 409 Stainless, Polished, Each
Part Number: JEX-JT4040XL
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each
Part Number: WLK-21172
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Natural, Each
Part Number: WLK-22572
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, 4.00 in. Inlet/4.00 in. Outlet, 7 in. Round Case, 20 in Long Overall, Satin Stainless Steel, Each
Part Number: MPE-12775
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, StreetPower, Oval, Stainless Steel, Polished, 4.00 in. Center Inlet/Outlet, 20.00 in. Overall Length, Each
Part Number: VPE-1137
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each
Part Number: WLK-17225
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Heavy-Duty, Steel, Aluminized, 39.000 in. Overall Length, Blue Bird, Chevy, GMC, Each
Part Number: WLK-22643
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Quiet-Flow SS, Oval, Offset/Offset, Stainless Steel, Natural, Dodge, Each
Part Number: WLK-54637
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Heavy-Duty, 4.00 in. Center Inlet/Outlet, 51.50 in. Overall Length, Steel, Aluminized, Each
Part Number: WLK-22916
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, XR-1 Racing, Round Case, Stainless, Brushed, 4 in. Center Inlet/Outlet, 16 in. Case Length, Each
Part Number: BOR-400374
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, EMI Inline XX, Marine, Baffled, Stainless Steel, Natural, Single 4.00 in. Center Inlet/Outlet, 6.000 in. Overall Length, Pair
Part Number: EDM-102-12
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Mega-Flow, Round, Chambered, Steel, Aluminized, 4 in. Center Inlet and Outlet, 51 in. Length, Each
Part Number: WLK-22965
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, OE Replacement, Steel, Aluminized, Dodge, 5.9L, Diesel, Each
Part Number: APH-2519
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Ultra Flo Welded, Oval, 4 in. Inlet/4 in. Outlet, Stainless Steel, Chevy, GMC/Hummer, Each
Part Number: WLK-17557
Estimated Ship Date: Today
Estimated Ship Date: Today
High-Flow Muffler Assembly, T409 2004.5-2005 Dodge Cummins 600/610 (fits to stock only)
Part Number: MBR-MK96116
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Muffler, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each
Part Number: MPE-12771
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Muffler, Replacement, 4.0 in. Inlet/4.0 in. Outlet, 37.0 in. Length, Steel, Natural, Each
Part Number: WLK-21471
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Replacement, For Summit® 4" Aluminized Steel Diesel Kits, Each
Part Number: SUM-630100
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler 4" Inlet /Outlet 24" Body 30" Overall, T409 Universal Replaces all 30" overall length muff
Part Number: MBR-M91031
Estimated Ship Date: Today
Estimated Ship Date: Today
Walker Heavy Duty Muffler
Part Number: WLK-22936
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Walker Heavy Duty Muffler
Part Number: WLK-22449
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
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