2003 Headers

Headers, LS Turbo, Forward and Up, Stainless Steel, Silver Ceramic Coated, 3.00 in. Collector Diameter, Round Port, Chevrolet, Small Block LS, Pair

Part Number: BIG-31537FLT

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Header Bolts, Hex Head, 1.181 in. UHL, 10mm Wrench, Stainless Steel, Polished, Chevy, LS, Set of 12

Part Number: ARP-434-1102

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

Headers, Shorty, Stainless Steel, Natural, Dodge, 5.2, 5.9L, Pair

Part Number: GIB-GP301S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Stainless Steel, Natural, 1.625 in. Tube, 2.50 in. Collector, Ford, Modular V8, Pair

Part Number: KOK-12022000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Shorty, Steel, Ceramic Coated, Cadillac, Chevy, GMC, 4.8, 5.3L, Pair

Part Number: BBK-40050

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Header Bolts, Hex Head, 1.000 in. UHL, 3/8 in. Wrench, Stainless Steel, Natural, Chevy, LS Engine, Set of 12

Part Number: SUM-910231

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Headers, Long Tube, Steel, Silver Ceramic Coated, 1.50 in. Tubes, 2.25 in. Collector, Nissan, Pair

Part Number: DTE-465-L-C

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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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: Jun 22, 2026 if ordered today

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Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 8.1L, No Air Injection, Pair

Part Number: JBA-1860S

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Street, Shorty, Steel, Temporary Paint, Dodge, 4.7L, Pair

Part Number: HED-79570

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Headers, Twisted Steel, Shorty, Stainless Steel, Natural, Round Port, Toyota, 4.0L, Pair

Part Number: AFE-48-46001-1HC

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Headers, Shorty, 304 Stainless Steel, Polished, 1 5/8 in. Primary, 3/8 in. Flange, Chevy, LS Swap, Pair

Part Number: BIG-11579FLT

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Hot Rodz Engine Swap, Mid-Length, Steel, Temporary Paint, Chevrolet, GMC, Isuzu, Pair

Part Number: HED-69040

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.0 in. Outlet, X-Pipe, Long System, Cats, Vette, 2001-04, Pair

Part Number: AMH-S00051

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2026 if ordered today

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Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair

Part Number: DOU-D3373-B

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843-1FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Headers, Long Tube, Stainless Steel, Natural, 3.00 in. Collector, Oval Port, Mercury, 4.6L, Pair

Part Number: STW-MAUCAT

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

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Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1201

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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Header Flanges, 304 Stainless Steel, 304, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203-SS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header bolt kit, Extreme Duty, Chromoly, Black Oxide, Chevy LS, 6 pt., Set of 12

Part Number: SUM-910502

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Headers, Long Tube, Steel, Titanium Ceramic, Ford, 4.6L SOHC, Pair

Part Number: BBK-1541

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Headers, Long Tube, Steel, Ceramic Coated, Ford, 4.6L DOHC, Pair

Part Number: BBK-15330

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

Part Number: ARP-134-1201

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow