2004 GMC SIERRA 2500 HD Exhaust

Walker Quiet-Flow 3 Steel 2.5 Inch Muffler 21533

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/3 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each

Part Number: WLK-21533

5.0 out of 5 stars ( 7 )

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MBRP Black Series Downpipe Kits GM8424

Exhaust Down Pipe, Steel, Black, 3 in. Diameter, Chevy, GMC, 6.6L, Each

Part Number: MBR-GM8424

4.85 out of 5 stars ( 13 )

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

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

Part Number: SUM-889505BK

5.0 out of 5 stars ( 1 )

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Fel-Pro Exhaust Manifold Hardware ES 75120

Exhaust Manifold Hardware, Black, Steel, Chevrolet, 5.7L, Kit

Part Number: FEL-ES75120

Not Yet Reviewed

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Walker Exhaust Pipe Adapters and Reducers 41974

Exhaust Pipe Reducer, 3 in. ID To 2.5 in. OD, Length 6 in., Aluminum, Each

Part Number: WLK-41974

4.14 out of 5 stars ( 7 )

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MBRP Installer Series Exhaust Systems S6000AL

Exhaust System, Installer Series, Cat-Back, Steel, Passenger Side Exit, Aluminized, Polished Tip, Chevy/GMC, Duramax, Kit

Part Number: MBR-S6000AL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

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MBRP Performance Series Exhaust Systems S6000P

4 out of 5 stars ( 3 )

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Dorman Exhaust Manifold Mounting Hardware 03133

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.64 out of 5 stars ( 25 )

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Walker Quiet-Flow Steel 3 Inch Muffler 22307

Mufflers-Quiet-Flow

Part Number: WLK-22307

Not Yet Reviewed

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Flowtech Headers 31142FLT

Headers, Shorty, Steel, Silver Ceramic Coated, Chevy, GMC, Pair

Part Number: BIG-31142FLT

4.5 out of 5 stars ( 12 )

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Walker Heavy-Duty Steel 4 Inch Muffler 21172

Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-21172

3.75 out of 5 stars ( 4 )

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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

Not Yet Reviewed

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BD Diesel Exhaust Manifolds 1041400

Exhaust Manifolds, BD Diesel Exhaust Manifolds, High Silicon Ductile Iron, Chevrolet, GMC, Cadillac, Hummer, Sold as a Pair

Part Number: BDD-1041400

Not Yet Reviewed

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MagnaFlow Diesel Converters 60110

Catalytic Converter, Stainless Steel, Ford, 6.0, 7.3L, Each

Part Number: MPE-60110

Not Yet Reviewed

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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 )

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Dorman Exhaust Manifold Mounting Hardware 03413B

Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

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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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Summit Racing™ Spark Plug Boot Heat Shields SUM-889505

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

Part Number: SUM-889505

Not Yet Reviewed

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MBRP XP Series Muffler Bypass Pipes MDS930

Muffler Delete Pipe, Stainless Steel, 4 in. Diameter, 30 in. Length, Chevy, GMC, Ford, Dodge, Each

Part Number: MBR-MDS930

4.75 out of 5 stars ( 4 )

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BRExhaust 3 Inch Exhaust Clamp 250-076

Exhaust Clamps, U-bolt Style, Steel, Zinc Plated, 3.000 in. Pipe Diameter, Cadillac, Chevrolet, Dodge, Ford, GMC, Ram, Each

Part Number: BRE-250-076

Not Yet Reviewed

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MagnaFlow Turbo Downpipes 15399

Exhaust Pipe

Part Number: MPE-15399

Not Yet Reviewed

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BD Diesel Turbo Up Pipes 1043800

Exhaust Pipes, Turbo Up Pipes, Stainless Steel, Natural, 2.00 in. Diameter, Chevy, GMC, 6.6L Diesel, Pair

Part Number: BDD-1043800

5.0 out of 5 stars ( 2 )

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JBA Performance Exhaust Exhaust Systems for 2001-2006 SIERRA 2500 HD, SILVERADO 2500 HD - 40-3030

Exhaust, CatBack, Stainless Steel, Natural, Chrome Stainless Tips, Chevy, GMC, 6.0, 8.1L

Part Number: JBA-40-3030

3.29 out of 5 stars ( 7 )

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MBRP Black Series Downpipe Kits GM8425

Turbocharger Down Pipe, Steel, Black Powdercoated, Chevy, GMC, 6.6L, Kit

Part Number: MBR-GM8425

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

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

Not Yet Reviewed

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MBRP XP Series Exhaust Systems S5010409

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Split Side Exit, Natural, Polished Tip, Chevy, GMC, Pickup, V8, Kit

Part Number: MBR-S5010409

Not Yet Reviewed

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