2003 CHEVROLET SILVERADO 2500 HD Exhaust - In Stock Filter Options - Vendor In Stock Filter Options

BD Diesel Exhaust Pipes, Turbo Up Pipes 1043803

Up-Pipe, Passenger Side - Chevy 2001-2004 LB76.6L Duramax

Part Number: BDD-1043803

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

AP Exhaust Extra Heavy-Duty U-Clamps H300

Exhaust Clamps, Extra Heavy-Duty U-Clamps, U-bolt Clamp Style, 0.500 in. Clamp Width, 3.000 in. Pipe Diameter, Steel, Natural, Chevrolet, GMC, Each

Part Number: APH-H300

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Exhaust Manifolds 674-729

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Each

Part Number: RNB-674-729

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters 55557

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-55557

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

MagnaFlow Turbo Downpipes 15399

Exhaust Pipe

Part Number: MPE-15399

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

MBRP Black Series Downpipe Kits GM8425

Turbocharger Down Pipe, Steel, Black Powdercoated, Chevy, GMC, 6.6L, Kit

Part Number: MBR-GM8425

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ATP Exhaust Manifolds 101261

Exhaust Manifolds, Cast Iron, Natural, Left, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ATP-101261

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 51759

Catalytic Converter, 3-way Style, Stainless Steel Case, Each

Part Number: MPE-51759

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

AP Exhaust OE Replacement Steel 3 Inch Muffler 2525

AP Exhaust OE Replacement Steel 3 Inch Muffler 2525

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

Part Number: APH-2525

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel 3 Inch Muffler X503

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026

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Dorman Exhaust Manifold Mounting Hardware 32114

Exhaust Manifold Mounting Hardware, Bolt/Washer Hardware Type, Steel, Natural, Chevrolet, GMC, Hummer, Workhorse, Workhorse Custom Chassis, Kit

Part Number: RNB-32114

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Exhaust Manifolds 674-728

Exhaust Manifold, OEM Replacement, Cast Iron, Chevy, GMC, Each

Part Number: RNB-674-728

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

AP Exhaust Max Fit Tailpipes 127671

Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Passenger Side, Each

Part Number: APH-127671

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters 93480

Catalytic Converter, Stainless Steel, Direct-Fit, GM, Each

Part Number: MPE-93480

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

aFe Large Bore-HD Exhaust Systems 49-14001

Exhaust System, Large Bore HD, Cat-Back, Steel, Natural, Chevy, GMC, 6.6L, Duramax Diesel, Kit

Part Number: AFE-49-14001

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters 53726

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Flange, Chevrolet, GMC, Each

Part Number: WLK-53726

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Walker Tailpipes 55421

Tailpipe, Exhaust, Outside Diameter 3.000 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-55421

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

AP Exhaust Max Fit Tailpipes 127670

Tail Pipe, Max Fit, 2.500 in., Steel, Aluminized, Chevy, GMC, Driver Side, Each

Part Number: APH-127670

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters 49642

Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49642

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

MBRP Performance Exhaust Exhaust Pipes, Muffler Eliminator Pipes MDS30

Muffler Delete Pipe 4" Inlet /Outlet 30" Overall, T304 Universal Replaces all 30" overall length

Part Number: MBR-MDS30

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505BL

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Blue, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

AP Exhaust Universal Catalytic Converters 606007

Catalytic Converters, Universal, 3.00 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 21.50 in. Overall Length, Each

Part Number: APH-606007

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

MagnaFlow Turbo Downpipes 15398

Exhaust Pipe

Part Number: MPE-15398

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

BRExhaust Direct-Fit Tailpipes 102-7948

Exhaust, Tail Pipe, Steel, Aluminized, 3.000 in., Chevrolet, GMC, Each

Part Number: BRE-102-7948

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ATP Exhaust Manifolds 101262

Exhaust Manifolds, Cast Iron, Natural, Right, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ATP-101262

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

AP Exhaust TruckEx Steel 4 Inch Muffler 3894

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

Part Number: APH-3894

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today