HUMMER H3 Exhaust

Exhaust, Split Rear, Cat-Back, Steel, Aluminized, Polished Stainless Tips, Hummer, 3.5, 3.7L, Kit

Part Number: GIB-312700

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Exhaust Manifold with Integrated Catalytic Converter

Part Number: ATP-101428

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Catalytic Converter, Direct Fit, Aluminized Steel, Ceramic, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: RNB-674-989

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Exhaust, Swept Side, Cat-Back, Steel, Aluminized, Polished Stainless Tip, Hummer, 3.5, 3.7L, Kit

Part Number: GIB-312800

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49612

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 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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Catalytic Converter, Universal, 2.25 in. Inlet, 2.25 in. Outlet, 12.25 in. Length, 4.00 in. Thick, 5.00 in. Width, Federal, Each

Part Number: CTO-2575R

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Estimated Ship Date: Tomorrow

Muffler, OE Replacement, Steel, Aluminized, Hummer, 3.5L, Each

Part Number: APH-40021

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Catalytic Converters, Stainless Steel Case, 2.25 in. Slip Fit Inlet/Outlet, 12.250 in. Overall Length, Chevy, Chrysler, Ford, GMC, Isuzu, Toyota, Each

Part Number: APH-608415

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Exhaust Flange Stud and Nut, Exhaust Flange Bolt Set

Part Number: FEL-ES75106

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Exhaust System, Touring, Stainless Steel, Hummer, 3.7L, Kit

Part Number: CSE-14212

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.48 in. Slip Fit Outlet, 45.00 in. Overall Length, Left, Chevrolet, GMC, Hummer, 5.3L, Each

Part Number: APH-645179

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Catalytic Converter, Direct Fit, Federal Emissions, Front Left, Chevrolet, GMC, Hummer, 5.3L, Each

Part Number: CTO-9549

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Estimated Ship Date: Dec 10, 2025 if ordered today

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AIR Injection Bypass Valve, A.I.R. Diverter Valve, Cast Aluminum, Natural, Chevy, GMC, Hummer, Each

Part Number: SMP-DV143

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Converter with Integrated Exhaust Manifold, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: APH-641338

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Exhaust Clamp, Exhaust Clamp

Part Number: BRE-250-065

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Catalytic Converter, California Grade, Manifold, Direct-Fit, Stainless Steel Case, Chevy, GMC, Hummer, Isuzu, 3.7L, Each

Part Number: MPE-5582353

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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• Free Shipping
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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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Exhaust System, Cat-Back, Stainless Steel, Resonator, Polished Stainless Tips, Hummer, 3.5L, Kit

Part Number: MPE-16630

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Exhaust Manifold, With Converter, Stainless Steel, Ceramic Coated, Chevy, GMC, Hummer, Each

Part Number: WLK-16578

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Estimated Ship Date: Dec 17, 2025 if ordered today

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07-12 Chevy Colorado, GMC Canyon, 07-08 Hummer H3, Isuzu I-370, 5 cyl., 3.7L Engine, Front

Part Number: CTO-1226

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Exhaust System, Sport, Cat-Back, Stainless Steel, Hummer, 3.5, 3.7L, Kit

Part Number: CSE-14212BLK

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Walker Resonator Assembly

Part Number: WLK-56234

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 58.50 in. Overall Length, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: APH-645852

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Catalytic Converters, Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Chevy, GMC, Hummer, Isuzu, Each

Part Number: CTO-4487

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Catalytic Converter, Stainless Steel, Chevy, GMC, 2.8, 3.5L, Each

Part Number: CTO-9216

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Estimated Ship Date: Dec 10, 2025 if ordered today

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