2005 GMC ENVOY Exhaust

Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 16.00 in. Overall Length, Each

Part Number: APH-608216

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel Case, Buick, Chevy, GMC, Isuzu, Saab, Each

Part Number: WLK-16671

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Estimated Ship Date: Today

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Mufflers, MSL Maximum, Oval Case, Steel, Aluminized, 21.780 in. Overall Length, Rear Muffler, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: APH-700345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, SoundFX, Oval, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: WLK-18915

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 12.5 in. Length, Each

Part Number: CTO-2566

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Resonator, Natural, Steel, Each

Part Number: WLK-55272

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 31.000 in. Overall Length, Buick, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, L6, V6, Each

Part Number: WLK-17165

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-44884

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Oversize $7.99

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 61.25 in. Overall Length, Chevrolet, GMC, Isuzu, Each

Part Number: APH-645804

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Mufflers, Direct-Fit, Single Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Round Case, 60.00 in. Overall Length, Buick, Chevy, GMC, Isuzu, Each

Part Number: BRE-280-585

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: RNB-674-785

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, Quiet-Flow Series, 2.500 in., Inlet, 2.500 in. Outlet, Buick, Chevy, GMC, Olds, L6, Each

Part Number: WLK-21409

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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

Part Number: SMP-AIP3

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-2405

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-2406

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Front Muffler, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-700429

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Front, Each

Part Number: MPE-49191

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Estimated Ship Date: Jan 19, 2026 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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A.I.R. Pump, Electric, Buick, Chevy, GMC, Each

Part Number: RNB-306-013

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Exhaust Manifold, Passenger Side, Cast Iron, Natural Finish, Buick, Chevy, GMC, Oldsmobile, Isuzu, Each

Part Number: RNB-674-777

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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

Part Number: APH-28692

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608736

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Exhaust Intermediate Pipe, Steel, Aluminized, 3.000 in. Diameter, Buick, 4.2L, Each

Part Number: APH-18169

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Mufflers, Direct-Fit, 2.50 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 40.00 in. Overall Length, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: BRE-100-5409

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Estimated Ship Date: Jan 23, 2026 if ordered today

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EXHAUST MANIFOLD

Part Number: ATP-101403

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Right, Buick, Chevrolet, GMC, Each

Part Number: ATP-101408

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Estimated Ship Date: Jan 14, 2026 if ordered today

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