2003 CHEVROLET SILVERADO-2500-HD Mufflers

Muffler, Super 40 Series Delta Flow, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, Chevy, Ford, Ram

Part Number: FLO-853548

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/10/2025

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Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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• $20.00 Summit Bucks

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 )

Estimated Ship Date: Monday 11/10/2025

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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 )

Estimated Ship Date: Monday 11/10/2025

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Muffler, 50 Series Heavy-Duty, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, 18 in. Case Length, Each

Part Number: FLO-853558

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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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 )

Estimated Ship Date: Monday 11/10/2025

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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 ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Muffler, Super 40 Series, Oval, Stainless, Offset 3.0 in. Inlet/Outlet, 13.5 in. Case Length, Each

Part Number: FLO-853048

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

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Muffler, Super 50 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-53058

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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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: Monday 11/10/2025

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• $20.00 Summit Bucks

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 )

Estimated Ship Date: Monday 11/10/2025

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• $20.00 Summit Bucks

Muffler, Super 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-953048

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: FLO-953558

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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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: Monday 11/10/2025

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

Part Number: APH-X504

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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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: Monday 11/10/2025

• $20.00 Summit Bucks

Mufflers-Quiet-Flow

Part Number: WLK-22307

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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• $20.00 Summit Bucks

Muffler, Quiet-Flow, Oval, Steel, Aluminized, 3.00 in. Offset Inlet/Outlet, 27.00 in. Overall Length, Each

Part Number: WLK-21522

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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

Part Number: APH-2525

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 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

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Muffler, TruckEx, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-3894

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025