GMC SIERRA 2500 HD Exhaust

Catalytic Converter, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 15.00 in. Length, Universal, Each

Part Number: MPE-51309

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Estimated Ship Date: Dec 29, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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

Part Number: WLK-55547

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Intermediate Pipe, Outside Diameter 3.500 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-54878

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Intermediate Pipe, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-53789

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Walker Quiet-Flow SS Muffler

Part Number: WLK-21616

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Exhaust Pipe Connector, Inside Diameter 3.500 in,, Length 72.750 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-54894

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Exhaust Pipe, Inside Diameter 3.500 in,, Length 51.500 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-55650

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Diesel Emission Fluid Injection Nozzle

Part Number: SMP-DFS1

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Air Pump, Replacement, Electric, Buick, Chevrolet, GMC, Oldsmobile, Each

Part Number: SMP-AIP1

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-64824

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-48682

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-64814

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Down Pipe, 3" Down Pipe- Carb EO # D-763-2, 6.6L Duramax

Part Number: MBR-GMCA428

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Replacement Up-Pipe (Driver Side) for OEM Exhaust Manifold

Part Number: PPE-116120005

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Tailpipe, Exhaust, Outside Diameter 3.500 in., Steel, Aluminized, Chevrolet, GMC, Each

Part Number: WLK-56231

5.0 out of 5 stars ( 1 )

• Oversize $10.99
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Turbocharger Mount

Part Number: BDD-1046203

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-58584

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Exhaust Manifolds, Replacement, Cast Iron, Right, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-12676607

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Estimated Ship Date: Dec 31, 2025 if ordered today

• $20 Summit Bucks
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Exhaust Manifolds, Replacement, Cast Iron, Right, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12677665

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Estimated Ship Date: Dec 31, 2025 if ordered today

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• $20 Summit Bucks
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MANIFOLD-EXH

Part Number: ADO-12701714

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Estimated Ship Date: Dec 31, 2025 if ordered today

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• $20 Summit Bucks
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MANIFOLD-EXH

Part Number: ADO-12701715

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Estimated Ship Date: Dec 31, 2025 if ordered today

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• $20 Summit Bucks
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Exhaust Tubing, Prebent Pipe

Part Number: APH-48762

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ADAPTER-EXH TURBO OTLT PIPE (V-BAND FLANGE @ EXH)

Part Number: ADO-12643610

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Estimated Ship Date: Jan 5, 2026 if ordered today

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• $20 Summit Bucks
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AIR Pumps, Remanufactured Smog Air Pumps, Mechanical, Chevrolet, GMC, Each

Part Number: AAZ-32-3503M

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• Core Charge $35.00
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Intermediate Pipes, Exhaust, Steel, Aluminized, Chevrolet, GMC, Each

Part Number: APH-68541

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Estimated Ship Date: Dec 22, 2025 if ordered today

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