2007 HUMMER H3 Exhaust

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99206HM

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Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut Type, Stainless Steel, Natural, Buick, Cadillac, Chevy, Ford, GMC, Set of 6

Part Number: RNB-03133HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.64 out of 5 stars ( 25 )

Estimated Ship Date: Today

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

Part Number: WLK-16481

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Estimated Ship Date: Mar 4, 2026 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: Feb 25, 2026 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: Mar 3, 2026 if ordered today

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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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Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

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Estimated Ship Date: Mar 5, 2026 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: Mar 2, 2026 if ordered today

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Walker Resonator Assembly

Part Number: WLK-56234

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Estimated Ship Date: Mar 5, 2026 if ordered today

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

Part Number: WLK-54874

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Estimated Ship Date: Mar 3, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-84801

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Estimated Ship Date: Mar 5, 2026 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: Mar 2, 2026 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: Mar 4, 2026 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: Mar 2, 2026 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: Feb 25, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49353

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Estimated Ship Date: Mar 2, 2026 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: Mar 2, 2026 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: Mar 2, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Rear Position, 42.250 in. Overall Length, Isuzu, 3.7L, Each

Part Number: MPE-5491966

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Manifold Converter

Part Number: RNB-673-9891

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Estimated Ship Date: Mar 3, 2026 if ordered today

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AIR Check Valve, Chevy, GMC, Hummer, Each

Part Number: RNB-911-151

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Catalytic Converter;

Part Number: MPE-23966

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Estimated Ship Date: Mar 2, 2026 if ordered today

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