Headers - 3.50 Collector Diameter (in.) - DOU Footnote Legend - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Doug's Headers D452

Headers, Long Tube, Steel, Ceramic Coated, Dodge, Plymouth, B, E-Body, 413, 426, 440, V8, Pair

Part Number: DOU-D452

4.32 out of 5 stars ( 22 )

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Doug's Headers D322

Headers, Long Tube, Steel, Ceramic Coated, Chevy, Big Block, Pair

Part Number: DOU-D322

4.29 out of 5 stars ( 7 )

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Doug's Headers D323

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair

Part Number: DOU-D323

4.83 out of 5 stars ( 6 )

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Doug's Headers D320

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair

Part Number: DOU-D320

4.44 out of 5 stars ( 16 )

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Doug's Headers D318-SS

Headers, Long Tube One-Piece, 2 in. Primaries, 3-Bolt 3.50 in. Diameter Collector, 2.50 in. Reducer, 304 Stainless Steel, Natural Finish, GM Car, Pair

Part Number: DOU-D318-SS

Not Yet Reviewed

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Doug's Headers Stainless Steel Headers D568-SS

Headers, Long Tube, Stainless Steel, Natural, Pontiac, 326, 350, 400, V8, Pair

Part Number: DOU-D568-SS

Not Yet Reviewed

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Doug's Headers Stainless Steel Headers D581-SS

Headers, Long Tube, Stainless Steel, Natural, Pontiac V8, Pair

Part Number: DOU-D581-SS

5.0 out of 5 stars ( 1 )

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Doug's Headers D318-B

Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pair

Part Number: DOU-D318-B

5.0 out of 5 stars ( 4 )

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Doug's Headers D567

Headers, Long Tube, Steel, Ceramic Coated, Pontiac, 326-455, V8, Pair

Part Number: DOU-D567

3.56 out of 5 stars ( 16 )

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Doug's Headers Stainless Steel Headers D316-SS

Headers, Long Tube, Stainless Steel, Natural, Chevy, Pontiac, Pair

Part Number: DOU-D316-SS

Not Yet Reviewed

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Doug's Headers D365

Headers, Fenderwell, Steel, Ceramic Coated, Chevy, 283-400, V8, Pair

Part Number: DOU-D365

5.0 out of 5 stars ( 1 )

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Doug's Headers D354

Headers, Engine Swap, Long Tube, Steel, Ceramic Coated, Chevy, 396-454, V8, Pair

Part Number: DOU-D354

5.0 out of 5 stars ( 2 )

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Doug's Headers D328

Headers, 4-1 One-piece, Steel, Ceramic Coated, 1 7/8 in. Primary, 3.5 in. Collector, Chevy, Big Block, Pair

Part Number: DOU-D328

3.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Doug's Headers D452-B

Header, Long Tube, Steel, Black Hi-Temp Coated, 2 in. Tubes, 3.5 in. Collector, Dodge, Plymouth, Pair

Part Number: DOU-D452-B

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Doug's Headers D316

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair

Part Number: DOU-D316

4.33 out of 5 stars ( 3 )

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Doug's Headers D326

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair

Part Number: DOU-D326

4.0 out of 5 stars ( 2 )

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Doug's Headers D522-B

Headers, Long Tube, Steel, High Temperature Black Paint, Pontiac, Pair

Part Number: DOU-D522-B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D568

Headers, Long Tube, Steel, Ceramic Coated, Pontiac, 326, 350, 400, V8, Pair

Part Number: DOU-D568

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Doug's Headers D325

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair

Part Number: DOU-D325

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D321

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair

Part Number: DOU-D321

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D568-B

Headers, Long Tube, Steel, Painted, Pontiac, 326, 350, 400, V8, Pair

Part Number: DOU-D568-B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D321-B

Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pontiac, Pair

Part Number: DOU-D321-B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D326-B

Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pontiac, Pair

Part Number: DOU-D326-B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D322-B

Headers, Long Tube, Steel, High Temperature Black Paint, 2 in. Primary Tube O.D., 3.500 in. Collector Diameter, SAP Port, Chevrolet, Big Block, Pair

Part Number: DOU-D322-B

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Doug's Headers D581

Headers, Long Tube, Steel, Ceramic Coated, Pontiac V8, Pair

Part Number: DOU-D581

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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