2003 Headers

Headers, Performance Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Chevy, LS Swap, Pair

Part Number: STW-LSS10C

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502200

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Headers, Engine Swap, Stainless Steel, Gen III Hemi, Dodge, Plymouth, Pair

Part Number: HOK-BH2375

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Headers, LS Turbo, Forward Up, Stainless Steel, 1 7/8 in. Primary Tube, Polished, 3 in. Collector, Pair

Part Number: BIG-11540FLT

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Headers, Shorty, Stainless Steel, Natural, 3-Bolt Flange, Chevy, Small Block, LS Engine, Pair

Part Number: BIG-11575FLT

3.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

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: Today

• Free Shipping

Headers, Shorty, Stainless Steel, Polished, 1 5/8 in. Primary, Chevy, Small Block, LS, Pair

Part Number: BIG-11576FLT

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

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: May 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

headers, Subaru WRX EJ20 TRI-Y 1"3/4 Stainless Steel Header System With Up Pipe

Part Number: XFO-THEJ20TY

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Apr 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

LS Turbo Headers (Up and forward) 1-3/4" 304SS GM 4.8/5.3/6.0L V8 - Polished Finish

Part Number: BIG-11539FLT

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Headers, Long Tube, Stainless Steel, Natural, 1.88 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

Headers, Blackheart, Shorty, Stainless Steel, Natural, Jeep, Kit

Part Number: HOK-70305402RHKR

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Stainless Steel, Natural, 1 5/8 in. Primary, Chevy, GMC, Small Block, Pair

Part Number: BIG-11578FLT

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

1999-04 Ford SVT Lightning Catted Longtube Headers.

Part Number: STW-FTLTNHCAT

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, 3-1 Shorty, Stainless Steel, Natural, Infiniti, for Nissan, 2003-2004, 3.5L, V6, Kit

Part Number: DCS-NHS4201

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, C5 Headers, Stainless Steel, Long Tube 1 3/4" x 3"

Part Number: KOK-21502220

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

1 5/8" x 2 1/2" Stainless Steel Longtube Header. 2V - 5.4 (1999 - 2004) Header.

Part Number: KOK-13312000

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Twisted Steel Header, 304 Stainless Steel, Shorty Header, Ford, Pair

Part Number: AFE-48-33022

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header, Shorty, Stainless Steel, Natural, Subaru, Pair

Part Number: BOR-17217

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 1, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order