2003 Mufflers

Muffler; 50 Series Heavy Duty Muffler; 2.5 in. Dual Inlet/2.5 in. Dual Outlet; Case Dimensions 5 in. x 10 in.

Part Number: FLO-8525554

3.9 out of 5 stars ( 10 )

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Mufflers, FlowFX, Oval Case, Stainless Steel, Natural, Dual 3.00 in. Center Inlet/Dual 3.00 in. Center Outlet, 24.000 in. Overall Length, Each

Part Number: FLO-72469

5.0 out of 5 stars ( 3 )

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Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X503

3.5 out of 5 stars ( 8 )

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Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

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Muffler, Big Block 50 Series, Dual 2 3/4 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-527504

5.0 out of 5 stars ( 2 )

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Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/3 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each

Part Number: WLK-21533

5.0 out of 5 stars ( 7 )

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Muffler, Big Block 50 Series, Dual 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530504

4.67 out of 5 stars ( 3 )

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Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Inlets/3.50 in. Outlets, 28.25 in. Overall Length, Each

Part Number: APH-700488

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-2525

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 6.0L, Each

Part Number: APH-2579

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: WLK-21431

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X504

3.0 out of 5 stars ( 1 )

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 21.25 in. Overall Length, Chrysler, Dodge, Each

Part Number: WLK-18925

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Mufflers-Quiet-Flow

Part Number: WLK-22307

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Muffler, Salute, Oval, Two 2.500 in. Inlet/Two 2.500 in. Outlet, Stainless Steel, Natural, Each

Part Number: IMM-SA2568

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Mufflers, Direct-Fit, 2.50 in. Dual Inlet, 2.50 in. Single Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: BRE-100-7179

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Muffler, Quiet-Flow 3, Oval, Steel, Aluminized, Toyota, Each

Part Number: WLK-55310

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Nissan, 3.5L, Each

Part Number: APH-7450

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Estimated Ship Date: Jan 19, 2026 if ordered today

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SoundFX Direct Fit Muffler

Part Number: WLK-18963

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Mufflers, Direct-Fit, 2.50 in. Dual Inlet, 3.00 in. Single Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Chevrolet, GMC, Each

Part Number: BRE-100-7217

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Mufflers-SoundFX

Part Number: WLK-18987

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 21.25 in. Overall Length, Chrysler, Dodge, Each

Part Number: WLK-18926

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 6.0L, Each

Part Number: APH-2578

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Muffler Assembly, OE Replacement, Steel, Aluminized, Toyota, 4.7L, Each

Part Number: APH-7471

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-54377

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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