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HUMMER H3 Walker Exhaust Exhaust

Showing In Stock Items. Show All 15 Items.

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Results 1 - 12 of 12

Walker Heavy-Duty U-Bolt Clamps 35337

Muffler U-Clamp, Exhaust Clamp, Heavy Duty, 2.5 in. Steel, Each

Part Number: WLK-35337

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Walker Replacement Exhaust Insulators 35229

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Walker Universal Catalytic Converters 93238

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: Today

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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: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Direct-Fit Catalytic Converters 642196

Not Yet Reviewed

Estimated Ship Date: May 11, 2026

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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: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel 2.5 Inch Muffler 40021

5 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026

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Walker Ultra Direct-Fit Catalytic Converters for 2007-2012 CANYON, COLORADO, 2007-2008 H3 - 54874

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

Part Number: WLK-54874

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Walker Resonators for 2006-2007 H3 - 56234

Walker Resonator Assembly

Part Number: WLK-56234

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes 68528

Not Yet Reviewed

Estimated Ship Date: May 11, 2026

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Walker Direct-Fit Catalytic Converters 84803

CalCat CARB Catalytic Converter

Part Number: WLK-84803

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84725

CalCat CARB Catalytic Converter

Part Number: WLK-84725

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Walker Exhaust Ultra Direct-Fit Exhaust Manifolds for 2007-2012 CANYON, COLORADO, 2007-2008 H3 - 16578

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

Part Number: WLK-16578

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84701

CalCat CARB Catalytic Converter

Part Number: WLK-84701

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Walker Exhaust - Catalytic Converters for 2009-2010 H3, H3T - 14649

Ultra EPA Manifold Converter

Part Number: WLK-14649

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

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