Mufflers

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: Today

• Free Shipping

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

• Free Shipping

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

Part Number: BOR-400069

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Walker Heavy Duty Muffler

Part Number: WLK-22664

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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, StreetPower Performance, Oval, Stainless, Polished, 3 in. Center Inlet, 4 in. Center Outlet, Each

Part Number: VPE-1042

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

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

• Free Shipping

Muffler, StreetPower Performance, Oval, Stainless, Polished, 2.5 in. Center Inlet, 4.0 in. Center Outlet, Each

Part Number: VPE-1046

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

Muffler, TPV, Round, Stainless, Polished, Turbo-style, 3.0 in. Center Inlet, 4 in. Outlet, 17 in. Length

Part Number: VPE-1061

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

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

Part Number: SCH-84040

Not Yet Reviewed

Estimated Ship Date: Today

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

• Free Shipping
• $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

• Free Shipping

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

• Drop Ship
• Free Shipping
• Special Order

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

• Free Shipping

Muffler with Tip, 3.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Polished, Each

Part Number: MPE-14834

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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: Sep 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

• Free Shipping

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

Part Number: MPE-12771

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Muffler, 2.25 in. Inlet, 4 in. Straight Tip Outlet, 21.50 in. length, Polished Stainless Steel, Each

Part Number: DCS-EX-5015

Not Yet Reviewed

Estimated Ship Date: Today

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

• Free Shipping