2004 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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Headers, Racingheart, Long Tube, 2 1/8 in. Primary, 3 1/2 in. Collector, Stainless Steel, Natural, Ford, Mustang, Big Block Chevy Swap, Pair

Part Number: HOK-6234-2HKR

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Headers, Specialty and Engine Swap, Long Tube, Steel, Temporary Paint, Chevy, GMC, Small Block, Pair

Part Number: HED-69030

2.25 out of 5 stars ( 8 )

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: Dec 15, 2025 if ordered today

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Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Headers, Long Tube, 304 Stainless Steel, Pontiac, LS1, LS2, Pair

Part Number: KOK-24102400

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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1 7/8" x 3" Stainless Steel Longtube Header. 4V - 4.6 (1996 - 2004) Header w/ 1pr 24" 02 Extension Harness.

Part Number: KOK-11222400

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 30, 2025 if ordered today

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Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202-SS

5.0 out of 5 stars ( 1 )

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

Part Number: HED-69723

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Headers, Competition Ready, Long Tube, Stainless, Natural, 2.5 in Collector, Pontiac, 5.7L LS, 6.0L LS, Pair

Part Number: JBA-6809S

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Ford, Modular V8, Pair

Part Number: KOK-11212200

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Headers, Racingheart, Long Tube, 2 1/8 in. Primary, 3 1/2 in. Collector, Steel, Painted, Ford, Mustang, Big Block Chevy Swap, Pair

Part Number: HOK-6234HKR

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Headers, Specialty and Engine Swap, Long Tube, Steel, Silver Ceramic Coated, Chevy, GMC, Small Block, Angle Plug, Pair

Part Number: HED-69036

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 2.50 in. Collector, Mopar Hemi V8 Modular, Pair

Part Number: KOK-35002200

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Header Flange, Stainless Steel, 3/8 in. Thick, for use on Honda®, K20 Engine with standard exhaust ports, Each

Part Number: SUM-670208-SS

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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

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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2004-08 F150 5.4L 2WD/ 4WD Triton headers with 1-3/4" dia. primaries with high flow catalytic converters

Part Number: STW-08F150HCATY

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00. Outlet, Y-Pipe, No Cats, Square Port, Dodge, Ram, Pair

Part Number: AMH-S00617

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 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: Dec 19, 2025 if ordered today

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Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Ford, Modular V8, Pair

Part Number: KOK-11222200

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Estimated Ship Date: Dec 30, 2025 if ordered today

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Headers, Long Tube, Stainless Steel, Natural, 1.875 in. Tube, 3.00 in. Collector, Cadillac, LS, Pair

Part Number: KOK-23102400

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust System Kit, 1-3/4" Header and GREEN Connection Kit. 1997-2004 Corvette LS1/LS6 5.7L.

Part Number: KOK-2150H230

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Estimated Ship Date: Nov 24, 2025 if ordered today

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