2004 GMC SIERRA 2500 HD Exhaust - In Stock Filter Options - Vendor In Stock Filter Options

Hedman Street Headers 69723

Hedman Street Headers 69723

Headers, Full-Length, Steel, Black Ceramic Coated, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69723

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

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

Part Number: SUM-889505R

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Pacific Performance Engineering Replacement High-Flow Up Pipes 116120405

Automatic Transmission Control Module, OEM Length Up-Pipes 04.5-05 EGR

Part Number: PPE-116120405

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

MBRP Installer Series Muffler Delete Pipes MDA531

Muffler Eliminator Pipe, Steel, Aluminized, 5.0 in. Inlet/Outlet, 30 in. Length, Chevy, GMC, Dodge, Ford, Each

Part Number: MBR-MDA531

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Pacific Performance Engineering Exhaust Manifolds 116111000

Exhaust Manifolds, High Silicon Cast Iron, Natural, Chevy, GMC, 6.6L Diesel, Pair

Part Number: PPE-116111000

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

JBA Performance Exhaust Cat4ward Headers 1850S-3JT

Headers, Cat4ward, Stainless Steel, Titanium, Cadillac, Chevy, GMC, Hummer, SUV, Pickup, 6.0L, Pair

Part Number: JBA-1850S-3JT

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 51659

Catalytic Converter, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 8.75 in. Length, Universal, Each

Part Number: MPE-51659

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Flowtech Headers 11142FLT

Headers, Shorty, Steel, Temporary Black Paint, Chevy, GMC, Pair

Part Number: BIG-11142FLT

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Dynomax Tailpipes 55509

Tailpipe, Exhaust, Outside Diameter 4.000 in., Stainless Steel, Natural, Chevrolet, GMC, Each

Part Number: WLK-55509

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Pacific Performance Engineering Exhaust Downpipes 117000424

Downpipe, Exhaust, 304 Stainless, Natural, 3 in. Outlet, PPE Titanium Exhaust Wrap, Chevy, GMC, 6.6L, LB7, California Emissions, Each

Part Number: PPE-117000424

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

MBRP Black Series Downpipe Kits GMCA424

Exhaust Pipes, Turbo Downpipes, Black Series Downpipe Kits, Steel, Black, 3.00 in. Inlet/Outlet Diameter, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: MBR-GMCA424

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Dorman V-Band 3.5 Inch Exhaust Clamp 904-254

Exhaust Clamp, Downpipe V-Band Clamp, Stainless, Natural, 3.50 in. Pipe Diameter, Chevy, GMC, Hummer, Each

Part Number: RNB-904-254

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Walker Direct-Fit Tailpipes 55538

Tailpipe, Exhaust, Steel, Aluminized, 3.50 in. O.D., 4.77 ft. Length, Chevy, GMC, 6.0L, 8.1L, Each

Part Number: WLK-55538

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Clamps 917-107

Exhaust Manifold Clamp, Steel, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-107

5.0 out of 5 stars ( 5 )

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Pacific Performance Engineering Exhaust Manifolds 116111420

Exhaust Manifolds, High Silicon Cast Iron, Black Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LLY, Kit

Part Number: PPE-116111420

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Stainless Works 3-Bolt 2.5 Inch Exhaust Flange FLCD-2.5

Flange Manifold 5.3/6.0L CHEVY/GMC Truck Manifold Flange-Drivers 2.500" ID Hole

Part Number: STW-FLCD-2-5

4.0 out of 5 stars ( 1 )

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MagnaFlow Exhaust Tubing 15451

Exhaust Pipe, Straight, 16-gauge, Stainless Steel, Natural, 4 in. O.D., 34 in. Length, Each

Part Number: MPE-15451

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

MBRP Installer Series Muffler Delete Pipes MDA30

4 out of 5 stars ( 13 )

Estimated Ship Date: Today

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MagnaFlow Turbo Downpipes 15398

Exhaust Pipe

Part Number: MPE-15398

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

Need It Sooner? We recommend these similar substitute parts:

MBRP Black Series Downpipe Kits GMCA425

4 out of 5 stars ( 1 )

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Dorman Exhaust Manifold Mounting Hardware 675-226

Exhaust Hardware Kit, Exhaust Manifold Hardware Kit

Part Number: RNB-675-226

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Hedman Street Headers 69726

Headers, Full-Length, Steel, Silver Ceramic Coated, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69726

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Clamps 917-142

Exhaust Manifold Clamp, Steel, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-142

4.5 out of 5 stars ( 4 )

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MagnaFlow Universal Catalytic Converters 99759HM

Catalytic Converter, Universal, One Inlet, Ceramic Honeycomb, Stainless Steel, 3 in. Slip Fit Inlet/Outlet, 11.50 in. Length, Each

Part Number: MPE-99759HM

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MagnaFlow Street Series Performance Exhaust Systems 15829

Exhaust, Cat-Back, Stainless Steel, Polished Stainless Tips, Chevy, GMC, Pickup, 6.0L

Part Number: MPE-15829

3.5 out of 5 stars ( 2 )

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ACDelco Starter Heat Shields 12668713

Shield, Starter, Heat Protection, Stock Replacement, Bolt-On, Buick, Cadillac, Chevrolet, GMC, Hummer, Car, Truck, Each

Part Number: ADO-12668713

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AP Exhaust Extra Heavy-Duty U-Clamps H300

Exhaust Clamps, Extra Heavy-Duty U-Clamps, U-bolt Clamp Style, 0.500 in. Clamp Width, 3.000 in. Pipe Diameter, Steel, Natural, Chevrolet, GMC, Each

Part Number: APH-H300

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