2006 HUMMER H3 Exhaust

Exhaust Clamp, Band-Style, Lap Joint, Stainless Steel, 2.500 in. Diameter, Each

Part Number: WLK-33226

4.68 out of 5 stars ( 88 )

Estimated Ship Date: Friday 1/2/2026

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

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Friday 1/2/2026

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Catalytic Converter, Heavy Metal, Stainless Steel, Each

Part Number: MPE-99206HM

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Estimated Ship Date: Friday 1/2/2026

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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: Friday 1/2/2026

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Friday 1/2/2026

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: Friday 1/2/2026

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Converter with Integrated Exhaust Manifold, Chevy, GMC, Hummer, Isuzu, 3.5L, Each

Part Number: APH-642196

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Estimated Ship Date: Jan 19, 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-16481

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Catalytic Converter, Universal, Stainless Steel, 2.5 in. Inlet/Outlet, 13.5 in. Length, Each

Part Number: WLK-93238

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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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

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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

Part Number: APH-40021

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 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

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, Hummer, 3.5L, 3.7L, Each

Part Number: APH-68528

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Estimated Ship Date: Jan 19, 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: Jan 19, 2026 if ordered today

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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: Jan 19, 2026 if ordered today

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Walker Resonator Assembly

Part Number: WLK-56234

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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• Oversize $10.99
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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: Jan 15, 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: Jan 19, 2026 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: Jan 15, 2026 if ordered today

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