Headers - Tri-Y one-piece Header Style - 1 3/4 in. Primary Tube Outside Diameter (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

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 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Doug's Headers Stainless Steel Headers D309Y-SS

Headers, Tri-Y, Stainless Steel, Natural, Chevy, 348, 409, Pair

Part Number: DOU-D309Y-SS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

XForce Headers TH-EJ20-TY

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: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Doug's Headers D309Y-B

Headers, Tri-Y, Steel, Black Painted, Chevy, 348, 409, Pair

Part Number: DOU-D309Y-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Doug's Headers D755Y

Headers, Tri-Y, Steel, Silver Ceramic Coated, Oldsmobile 455, Class A Motor Home, Pair

Part Number: DOU-D755Y

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Doug's Headers D755Y-B

Headers, Tri-Y, Steel, High Temperature Black Paint, Class A Motorhome, Oldsmobile V8, Pair

Part Number: DOU-D755Y-B

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today