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MagnaFlow Direct-Fit Catalytic Converters for 2003 H2 - 4451218

Catalytic Converter, Stainless Steel, Left, Hummer, Each

Part Number: MPE-4451218

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 642196

AP Exhaust Direct-Fit Catalytic Converters 642196

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

Part Number: APH-642196

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2004-2006 CANYON, COLORADO, 2006-2007 H3 - 16481

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

Part Number: WLK-16481

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2003-2006 H2 - 24084

Catalytic Converter, Stainless Steel, Hummer, 6.0L, Driver Side, Each

Part Number: MPE-24084

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

ATP Automotive Exhaust Manifolds 101428

Exhaust Manifold with Integrated Catalytic Converter

Part Number: ATP-101428

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-989

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

Part Number: RNB-674-989

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

BRExhaust Direct-Fit Steel 2.5 Inch Muffler 100-7179

Mufflers, Direct-Fit, 2.50 in. Dual Inlet, 2.50 in. Single Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: BRE-100-7179

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Gibson Single Exhaust Systems for 2006-2010 H3 - 312800

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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 608226

Catalytic Converter, Universal, 2.5 Inlet, 2.5 in. Outlet, Slip Fit, Stainless Steel, Ceramic Honeycomb, Each

Part Number: APH-608226

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Catco Universal-Fit Catalytic Converters 2575R

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: Tomorrow

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Estimated Ship Date: Tomorrow

Walker Quiet-Flow SS 409 Stainless Steel 2.5 Inch Muffler 50070

Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-50070

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 608415

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: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

ATP Exhaust Manifolds 101262

Exhaust Manifolds, Cast Iron, Natural, Right, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ATP-101262

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

ATP Exhaust Manifolds 101261

Exhaust Manifolds, Cast Iron, Natural, Left, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ATP-101261

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

AP 2-Bolt 2.5 Inch Exhaust Flange 9167

Exhaust Flanges, AP Exhaust Flanges, 2-Bolt Flange, 2.500 in. Diameter Pipe, Hummer, Each

Part Number: APH-9167

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Corsa Sport Exhaust Systems for 2008 H3 - 14212

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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Estimated Ship Date: Tomorrow

AP Exhaust Direct-Fit Catalytic Converters for 2003-2006 H2 - 645873

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.50 in. Slip Fit Outlet, 50.50 in. Overall Length, Left, Hummer, 6.0L, Each

Part Number: APH-645873

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust Direct-Fit Catalytic Converters for 2003-2006 H2 - 645429

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 39.75 in. Overall Length, Right, Hummer, 6.0L, Each

Part Number: APH-645429

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16563

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Hummer, Each

Part Number: WLK-16563

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Gibson Headers GP129S

Headers, Shorty, Stainless Steel, Natural, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: GIB-GP129S

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Standard Motor A.I.R. Diverter Valves for 2007-2009 H3 - DV143

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

Part Number: SMP-DV143

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

aFe Mach Force XP Exhaust Systems for 2003-2006 H2 - 49-44010

Exhaust System, Mach Force XP, Cat-Back, Stainless Steel, Hummer, 6.0L, Kit

Part Number: AFE-49-44010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

AP Exhaust Universal Catalytic Converters 608736

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

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

BD Diesel Exhaust Manifolds 1041401

EXHAUST MANIFOLD PASSENGER SIDE CHEVROLET SILVERADO 1500 / GMC SIERRA 1500 V8 2002-2013

Part Number: BDD-1041401

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2007-2008 H2 - 645277

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 46.00 in. Overall Length, Hummer, 6.0L, 6.2L, Each

Part Number: APH-645277

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today