2004 Mufflers

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-42441

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, FlowFX Series, 2.25 in. Offset Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71225

4.58 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942451

4.33 out of 5 stars ( 21 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842451

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Super 44 Series, 2.25 in. Inlet/2.25 in. Outlet, Steel, Black, Each

Part Number: FLO-942446

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Aluminized Steel, Black, Each

Part Number: FLO-42443

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, FlowFX Series, 2.25 in. Inlet/2.25 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71235

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8042443

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Resonator, Stainless Steel, Black, 2.25 in. Inlet/Outlet, 17 in. Length, 4 in. Diameter, Each

Part Number: FLO-12412409

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Super 44 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842448

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Super 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-952445

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Delta Flow 60 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-952462

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Super 44 Series, 2.25 in. Inlet/2.25 in. Outlet, Steel, Black, Each

Part Number: FLO-942448

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Super 44 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842446

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Delta Flow 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942441

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8042441

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Xlerator Performance, Stainless Steel, Natural, Jeep, 2.5, 4.0L, Each

Part Number: APH-XS1225

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942453

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Delta Flow 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942444

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Muffler, Race Bullet, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-24235

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, Quiet-Flow 3, Oval Case, Steel, Aluminized Finish, Turbo-style, Lexus, Toyota, 4.7L, Each

Part Number: WLK-55329

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 20, 2026 if ordered today

• Drop Ship
• Oversize $12.99
• Special Order

Muffler, Quiet-Flow SS, Oval, Stainless, Aluminized, 2.50 in. Center Inlet, 2.25 in. Offset Outlet, Jeep, Each

Part Number: WLK-21640

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842453

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Mufflers-SoundFX

Part Number: WLK-18991

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, Direct Fit, SoundFX, Oval, Steel, Aluminized, Chevy, GMC, 4.3L, Each

Part Number: WLK-18934

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 20, 2026 if ordered today

• Drop Ship
• Special Order