2003 CHEVROLET SILVERADO-2500-HD Exhaust

Muffler U-Clamp, Exhaust Clamp, Heavy Duty, 2.5 in. Steel, Each

Part Number: WLK-35337

4.84 out of 5 stars ( 25 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Exhaust Clamp, U-Bolt, Steel, 3.000 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35794

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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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Exhaust Clamp, Band-Style, Lap Joint, Stainless Steel, 4.000 in. Diameter, Each

Part Number: WLK-33274

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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Exhaust Clamp, Band Clamp, Stainless Steel, 3.00 in. Pipe Diameter, Each

Part Number: WLK-36439

4.5 out of 5 stars ( 24 )

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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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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Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Monday 11/10/2025

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Exhaust Pipe Reducer, 3 in. ID To 2.5 in. OD, Length 6 in., Aluminum, Each

Part Number: WLK-41974

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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Spark Plug Boot Protector, Heat Shield, 500 degrees F, Snap-on, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: ADO-8006

5.0 out of 5 stars ( 6 )

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

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Exhaust Tip, Single, Round, Clamp-on, Stainless, Polished, 4.0 in. Inlet, 5.0 in. Outlet, 18.0 in. Length

Part Number: WLK-36477

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Catalytic Converter, CalCal Universal, One Inlet, 3 in., One Outlet, 3 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Shield, Starter, Heat Protection, Stock Replacement, Bolt-On, Buick, Cadillac, Chevrolet, GMC, Hummer, Car, Truck, Each

Part Number: ADO-12668713

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Tailpipe, Exhaust, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-55509

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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• Oversize $7.99
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Mufflers-Quiet-Flow

Part Number: WLK-22307

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Catalytic Converters, Universal, Stainless Steel Case, 3.000 in. Slip Fit Inlet/Outlet, 13.250 in. Overall Length, Each

Part Number: WLK-93239

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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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: Dec 1, 2025 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-55557

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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• Oversize $54.99
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Intermediate Pipe, Outside Diameter 3.000 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-54717

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Ultra EPA Catalytic Converter

Part Number: WLK-14625

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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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: Dec 1, 2025 if ordered today

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Catalytic Converter, CalCat, Stainless Steel Case, 3.00 in. Slip Fit Inlet/Outlet, Chevy, GMC, Each

Part Number: WLK-81724

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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