Mufflers

Muffler, XR-1, Round, 4 in. Center Inlet/Outlet, 27 in. Overall Length, Stainless Steel, Each

Part Number: BOR-400069

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Walker Heavy Duty Muffler

Part Number: WLK-22664

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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 )

Estimated Ship Date: Today

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: Today

• $10.00 Summit Bucks

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

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Today

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Muffler, Replacement, For Summit® 4" Aluminized Steel Diesel Kits, Each

Part Number: SUM-630100

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

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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: Today

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 )

Estimated Ship Date: Today

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Mufflers, Race, Round Case, Steel, Black, Single 4.00 in. Center Inlet/Outlet, 8.000 in. Overall Length, Each

Part Number: SCH-84040

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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

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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• $10.00 Summit Bucks

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

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Oct 8, 2025 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 )

Estimated Ship Date: Today

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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

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Muffler, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12771

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Muffler 4" Inlet /Outlet 24" Body 30" Overall, T409 Universal Replaces all 30" overall length muff

Part Number: MBR-M91031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: 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: Today

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Muffler, dB Series, Stainless Steel, Dodge, Ram Pickup, Cummins Diesel, 5.9L, Each

Part Number: CSE-8004002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Muffler, Stainless Steel, Polished, Round, 6 in. Case Diameter, 4 in. inlet, 4 in. Outlet, 30 in. Length, Each

Part Number: SVR-UDM1409

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Mufflers, M-80, Round Case, Steel, Red Powdercoated, Single 4.00 in. Center Inlet/Outlet, 19.000 in. Overall Length, Each

Part Number: IMM-M80400

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Muffler, XR-1, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: BOR-40741

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Muffler, StreetPower, Oval, Stainless Steel, Polished, 4.00 in. Center Inlet/Outlet, 20.00 in. Overall Length, Each

Part Number: VPE-1137

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Muffler, Race Series, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Polished, Each

Part Number: MPE-14163

5.0 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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