HUMMER H2 Exhaust | Summit Racing

Dorman Exhaust Manifold Heat Shields 674-522HS

Exhaust Manifold Heat Shield, Steel, Silver, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-674-522HS

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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: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

AP 2-Bolt 3.083 Inch Exhaust Flange 9166

Exhaust Flange, 2-Bolt, Steel, Natural, 3.083 in. Diameter, Each

Part Number: APH-9166

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505BL

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Blue, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505BL

5.0 out of 5 stars ( 1 )

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ATP Exhaust Manifolds 101371

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

Part Number: ATP-101371

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

BRExhaust - Exhaust Systems for 2003-2006 H2 - 106-0538

Direct-Fit Exhaust System Replacement Kit

Part Number: BRE-106-0538

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

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

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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

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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

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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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Cherry Bomb Pro Steel 2.5 Inch Muffler 7419CB

Muffler, Pro, 2.500 in. Inlet/2.500 in. Outlet, Steel, Aluminized, Each

Part Number: IMM-7419CB

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18987

Mufflers-SoundFX

Part Number: WLK-18987

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Walker Exhaust Extension Pipes for 2003-2006 H2 - 53853

Intermediate Pipe, Extension Pipe, 2.50 in. O.D., Steel, Aluminized, Hummer, Each

Part Number: WLK-53853

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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AP Exhaust Intermediate Pipes 38994

Not Yet Reviewed

Estimated Ship Date: May 6, 2026

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Cherry Bomb Turbo Steel 2.5 Inch Muffler 16834CB

Muffler, Turbo, 2.50 in. Center Inlet/Two 2.25 in. Outlets, 21 in. Length, Steel, Aluminized, Each

Part Number: IMM-16834CB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 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: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 5451309

Catalytic Converter, Universal, 12.750 in. Length, 3.00 in. Inlet and Outlet, Each

Part Number: MPE-5451309

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Catco Direct-Fit Catalytic Converters for 2003-2006 H2 - 9167

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-9167

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

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

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Catco Direct-Fit Catalytic Converters for 2003-2006 H2 - 9166

Direct Fit;

Part Number: CTO-9166

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

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

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AP Exhaust OE Replacement Steel 3.5 Inch Muffler 2576

Muffler, OE Replacement, Steel, Aluminized, Hummer, 6.0, 6.2L, Each

Part Number: APH-2576

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 445005

Catalytic Converter, Stainless Steel, 2.25 in. Inlet, 2.25 in. Outlet, 16.0 in. Length, Universal, Each

Part Number: MPE-445005

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters for 2007-2008 H2 - 9976

EPA OBDII DIRECT FIT CATALYTIC

Part Number: CTO-9976

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

AP Exhaust OE Replacement Steel 2.5 Inch Muffler 2510

Muffler, OE Replacement, Steel, Aluminized, Cadillac, GMC, Hummer, 6.0L, Each

Part Number: APH-2510

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

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

4 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 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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