2003 Headers

Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair

Part Number: BIG-11585FLT

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Estimated Ship Date: Today

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Headers, Long Tube, Stainless Steel, Natural, Chevy LS Swap, Pair

Part Number: KOK-29302401

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Small Block LS, Pair

Part Number: HED-69680

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.0 in. Outlet, X-Pipe, Long System, Cats, Vette, 2001-04, Pair

Part Number: AMH-S00049

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Estimated Ship Date: May 5, 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, Cats, Chevy, GMC Truck, Long System, Pair

Part Number: AMH-S00355

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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

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1840S-4JS

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1842S-9JS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: AFE-48-46001-1HC

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Estimated Ship Date: Today

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Header, Shorty, Steel, Silver Ceramic Coated, 1 3/4 in. Tubes, 3 in. Collectors, Chevy, 5.7, 6.0L, Pair

Part Number: SNH-LS134-SEC

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Estimated Ship Date: May 4, 2026 if ordered today

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Headers, Specialty and Engine Swap, Mid-Length, Steel, Temporary Paint, Chevy, GMC, Small Block LS, Pair

Part Number: HED-68540

4.25 out of 5 stars ( 8 )

Estimated Ship Date: 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: Apr 20, 2026 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: Apr 13, 2026 if ordered today

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Headers, Shorty, Steel, Titanium Ceramic Coated, Ford, 3.8, 3.9L, V6, Pair

Part Number: BBK-4008

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Exhaust Manifold Flange, Stainless Steel, 0.375 in. Thickness, K-series, Each

Part Number: VPE-1460K

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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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Z33/Z34/G35/G37 LS Swap Headers Stainless Steel Long Tube 1 7/8" Primaries w/ 3" Merge Collector & Complete V-band Clamp Assembly (Gaskets & Hardware)

Part Number: SKM-HDR022SS

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 2 in. Primaries, Pair

Part Number: STW-HFLS1200

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Header Fasteners, Bolts, Locking, External 12-point, Steel, Nickel Plated, Jeep, 258, L6, Set of 11

Part Number: STG-6918

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.50 in. Port, Gaskets, Bolts, Chevy, 4.3L, Pair

Part Number: PTE-H7883

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Header Fasteners, Bolts, Allen Head, Black Oxide, Steel, 8mm x 1.25 Thread, 25mm Length, Set of 16

Part Number: MRG-978G

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Headers, Shorty, Stainless Steel, Silver Ceramic Coated, Ford, 6.8L, V10, Pair

Part Number: GIB-GP125S-1C

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Headers, Shorty, Stainless Steel, Ceramic Coated, Ford, 6.8L, V10, Pair

Part Number: GIB-GP125S-C

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Headers, Fenderwell, 1 3/4 in. Primaries, 3.5 in. Collector, S-10/Sonoma, Small Block, Pair

Part Number: SCH-198A

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow if ordered today

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Headers, Shorty, Steel, Temporary Black Paint, Jeep, Each

Part Number: BIG-92003FLT

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Estimated Ship Date: Mar 3, 2026 if ordered today

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