GMC SIERRA 2500 HD Headers

Headers, Long Tube One-Piece, 1 5/8 in. Primaries, Round Port, 3 in. Collectors, 2 1/2 in. Reducers, Steel, Natural, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69720

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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2004-07 Chevy/GMC Truck 8.1L, 2" primary tubes, uses factory headpipe and cats.

Part Number: STW-81TRK04

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Headers, Performance Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 2 in. Primary, 3.00 in. Collector, X-Pipe, Chevy, GMC, Pair

Part Number: STW-CT220HCAT

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Y-Pipe, Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00349

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

Part Number: HED-69723

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: HED-69726

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Estimated Ship Date: Today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00355

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Headers, Factory Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Y-Pipe, Chevy, GMC, Pair

Part Number: STW-CT220HSTCATY

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Estimated Ship Date: Jan 26, 2026 if ordered today

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2004-07 Chevy/GMC Truck 8.1L, 1-7/8" primary tubes, uses factory headpipe and cats.

Part Number: STW-81TRK04188

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Estimated Ship Date: Jan 23, 2026 if ordered today

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2001-03 Chevy/GMC Truck-8.1L. 2" primary tubes, uses factory headpipes and cats-long tube design makes great l

Part Number: STW-81TRK

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00353

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Headers, Factory Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 2 in. Primary, 3.00 in. Collector, Y-Pipe, Chevy, GMC, Pair

Part Number: STW-CT220HCATY

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Headers, Factory Connect, Long Tube, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Chevy, GMC, Pair

Part Number: STW-81TRK188

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Headers, Twisted Steel, Shorty, Stainless Steel, Brushed, Round Port, Chevrolet, GMC, 6.6L Diesel, Kit

Part Number: AFE-48-34137

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Headers, Twisted Steel, Shorty, Stainless Steel, Natural, Rectangular Port, Chevy, GMC, 6.6L, Pair

Part Number: AFE-48-34139

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Y-Pipe, Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Y-Pipe, No Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00350

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Y-Pipe, No Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00348

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, No Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00352

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Headers, Stainless, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, No Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00354

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Headers, Performance Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Tube, 3.00 in. Collector, X-Pipe, Chevy, GMC, Pair

Part Number: STW-CT220HSTCAT

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Headers, Full Length, 304 Stainless Steel, Silver Ceramic Coated, Cadillac, Chevrolet, GMC, Gen III/IV LS, Pair

Part Number: HED-62736

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Headers, Full Length, 304 Stainless Steel, Natural, Cadillac, Chevrolet, GMC, Gen III/IV LS, Pair

Part Number: HED-62730

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