HUMMER H3 Exhaust

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

Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

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Estimated Ship Date: Mar 23, 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 19, 2026 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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Manifold Converter

Part Number: RNB-673-9891

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Estimated Ship Date: Mar 23, 2026 if ordered today

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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: Mar 18, 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 18, 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: Mar 16, 2026 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: Mar 16, 2026 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: Apr 17, 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: Mar 19, 2026 if ordered today

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Catalytic Converter, Direct Fit, Stainless Steel Case, Chevy, GMC, Hummer, 5.3L, Each

Part Number: CTO-9550

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Catalytic Converter, California Grade, Universal, Stainless Steel Case, 9.000 in. Overall Length, 2.500 in. Inlet/Outlet, Each

Part Number: MPE-5491306

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 16.000 in. Overall Length, Each

Part Number: MPE-5592306

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Catalytic Converter, California Grade, Universal, Stainless Steel Case, 11.000 in. Overall Length, 2.500 in. Inlet/Outlet, Each

Part Number: MPE-5582406

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Estimated Ship Date: Mar 20, 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 19, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-84701

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Exhaust Manifold, Catalytic Converter, Driver Side, Cast Iron, Natural, Chevy, GMC, Hummer, 3.5L, Each

Part Number: RNB-674-703

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Manifold Converter, Manifold Converter - Not CARB Compliant

Part Number: RNB-674-294

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Estimated Ship Date: Mar 19, 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 20, 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 20, 2026 if ordered today

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Ultra EPA Manifold Converter

Part Number: WLK-14649

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Estimated Ship Date: Mar 23, 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 20, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-84801

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Estimated Ship Date: Mar 23, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-84803

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Estimated Ship Date: Mar 23, 2026 if ordered today

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