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2003 Headers
Showing In Stock Items. Show All 81 Items.
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
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Specialty and Engine Swap, Long Tube, Steel, Temporary Paint, Chevy, GMC, Small Block, Pair
Part Number: HED-69030
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
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
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Ford, Modular V8, Pair
Part Number: KOK-11212200
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Full-Length, Steel, Black Ceramic Coated, Cadillac, Chevrolet, GMC, Pair
Part Number: HED-69723
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Specialty and Engine Swap, Long Tube, Steel, Black Ceramic Coated, Chevy, GMC, Small Block, Angle Plug, Pair
Part Number: HED-69033
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Headers, Factory Connect, Long Tube, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Chevy, GMC, Pair
Part Number: STW-81TRK188
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
2003-06 Chevy/GMC 4.8L, 5.3L Truck (4WD Only) - 1 3/4" CNC Mandrel Bent primaries, 3/8" thick CNC Laser cut fl
Part Number: STW-CT0305
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
2003-06 Chevy/GMC 4.8L, 5.3L Truck (2WD Only) - 1 3/4" CNC Mandrel Bent primaries, 3/8" thick CNC Laser cut fl
Part Number: STW-CT03052WD
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
2001-04 C5 Corvette 1 7/8" headers and 3" center section with x pipe and high flow converters. Bolt on install
Part Number: STW-C5LS103CATBT
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Headers, Long Tube, Stainless Steel, Natural, 1.625 in. Tube, 2.50 in. Collector, Ford, Modular V8, Pair
Part Number: KOK-11212000
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
