GMC Doug's Headers Headers Headers Exhaust - Free Shipping on Orders Over $109 at Summit Racing

Doug's Headers Stainless Steel Headers D322-SS

Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Big Block,Chevy. Pair

Part Number: DOU-D322-SS

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Doug's Headers Stainless Steel Headers D313-SS

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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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

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D3373

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

Part Number: DOU-D3373

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D303Y

Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Big Block, Pair

Part Number: DOU-D303Y

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Summit Racing™ BBC Long Tube Headers for Chevy/GMC Truck/Van/Blazer/Suburban

4.25 out of 5 stars ( 116 )

Estimated Ship Date: Monday 12/15/2025

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Doug's Headers D3373-B

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 ( 6 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers Stainless Steel Headers D300Y-SS

Headers, Tri-Y, Stainless Steel, Natural, Chevy, GMC, Small Block, Pair

Part Number: DOU-D300Y-SS

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers Stainless Steel Headers D336-SS

Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Small Block,Chevy. Pair

Part Number: DOU-D336-SS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers Stainless Steel Headers D371Y-SS

Headers, Tri-Y, Stainless Steel, Natural, Chevy, GMC, SUV, Pickup, 283-400, V8, Pair

Part Number: DOU-D371Y-SS

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D300Y

Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Small Block, Pair

Part Number: DOU-D300Y

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D336-B

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

Part Number: DOU-D336-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Doug's Headers D371Y

Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, 283-400, V8, Pair

Part Number: DOU-D371Y

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D370Y

Headers, Tri-Y, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: DOU-D370Y

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D336

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

Part Number: DOU-D336

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D310

Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, Small Block, Pair

Part Number: DOU-D310

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D372Y

Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, 283-350, V8, Pair

Part Number: DOU-D372Y

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers D303Y-B

Headers, Tri-Y, Steel, Black Painted, Chevy, GMC, 396-454, Pair

Part Number: DOU-D303Y-B

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D330

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

Part Number: DOU-D330

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Doug's Headers Stainless Steel Headers D372Y-SS

Headers, Tri-Y, Stainless Steel, Natural, Chevy, GMC, SUV, Pickup, 283-350, V8, Pair

Part Number: DOU-D372Y-SS

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Doug's Headers D371Y-B

Headers, Tri-Y, Steel, Painted, Chevy, GMC, SUV, Pickup, 283-400, V8, Pair

Part Number: DOU-D371Y-B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D300Y-B

Headers, Tri-Y, Steel, Black Painted, Chevy, GMC, 305-400, Pair

Part Number: DOU-D300Y-B

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D372Y-B

Headers, Tri-Y, Steel, Painted, 2.5 in. Collector, Oval Port, Chevy, GMC, 283, 307, 350, Pair

Part Number: DOU-D372Y-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D370Y-B

Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: DOU-D370Y-B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Doug's Headers D330-B

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

Part Number: DOU-D330-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today