HUMMER Walker Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Walker Lap-Joint Band Clamps 33226

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: Today

...Loading

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

...Loading

Estimated Ship Date: Today

Walker Exhaust Flange Gaskets 31718

Exhaust Flange Gasket, Cadillac, Chevy, GMC, Each

Part Number: WLK-31718

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker CalCat Universal Catalytic Converters 83403

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker Heavy-Duty U-Bolt Clamps 35793

Exhaust Clamp, U-Bolt, Steel, 2.750 in. Diameter, 3/8 in. Thread, Each

Part Number: WLK-35793

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: 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 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 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: Jan 28, 2026

...Loading

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

...Loading

Estimated Ship Date: Today

Walker Exhaust Flange Gaskets 31610

Exhaust Flange Gasket, Composite, Cadillac, Chevy, Ford, GMC, Mercury, Each

Part Number: WLK-31610

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker Quiet-Flow SS 409 Stainless Steel 2.5 Inch Muffler 21431

Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each

Part Number: WLK-21431

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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: Jan 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 29, 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: Jan 28, 2026

...Loading

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: Today

...Loading

Estimated Ship Date: Today

Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18987

Mufflers-SoundFX

Part Number: WLK-18987

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2006 H2 - 83486

Converter-CalCat-Direct Fit

Part Number: WLK-83486

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84801

CalCat CARB Catalytic Converter

Part Number: WLK-84801

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 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: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

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: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Walker Resonators for 2006-2007 H3 - 56234

Walker Resonator Assembly

Part Number: WLK-56234

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes for 2006-2010 H3 - 68528

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026

...Loading

Walker Ultra Direct-Fit Catalytic Converters for 2003-2006 H2 - 16562

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

Part Number: WLK-16562

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Walker Ultra Universal Catalytic Converters for 2003-2006 H2, 1999-2002 INTRIGUE, 2000-2005 MONTE CARLO - 93258

Catalytic Converter, Ultra Universal, Stainless Steel Case, 2.500 in. Inlet/Outlet, 17.500 in. Length, Each

Part Number: WLK-93258

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

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

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2006 H2 - 83485

Converter-CalCat-Direct Fit

Part Number: WLK-83485

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84802

CalCat CARB Catalytic Converter

Part Number: WLK-84802

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84803

CalCat CARB Catalytic Converter

Part Number: WLK-84803

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84804

CalCat CARB Catalytic Converter

Part Number: WLK-84804

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84701

CalCat CARB Catalytic Converter

Part Number: WLK-84701

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

HUMMER Walker Exhaust Parts and Accessories