HUMMER H2 Walker Exhaust Exhaust - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Walker Replacement Exhaust Insulators 35229

Exhaust hanger, Insulator, Each

Part Number: WLK-35229

4.65 out of 5 stars ( 17 )

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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

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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

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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

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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

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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: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

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

Not Yet Reviewed

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Walker CalCat Universal Catalytic Converters 81723

Catalytic Converter, Stainless Steel Case, Cadillac, Chevy, Dodge, Ford, Hummer, Isuzu, Jeep, Mercury, Olds

Part Number: WLK-81723

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

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Pypes Mini Catalytic Converters CVM13M

4.25 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18987

Mufflers-SoundFX

Part Number: WLK-18987

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

Walker Direct-Fit Catalytic Converters 84802

CalCat CARB Catalytic Converter

Part Number: WLK-84802

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

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 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 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: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Walker Direct-Fit Catalytic Converters 84719

CalCat CARB Catalytic Converter

Part Number: WLK-84719

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