1968 MERCURY COUGAR Doug's Headers Headers Exhaust - In Stock Filter Options - Vendor In Stock Filter Options

Doug's Headers Stainless Steel Headers D623-SS

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

Part Number: DOU-D623-SS

Not Yet Reviewed

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Doug's Headers D627

Headers, Long Tube, Steel, Ceramic Coated, Ford, 390-427 FE, Pair

Part Number: DOU-D627

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Doug's Headers D670S4

Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 351C, 4V, Pair

Part Number: DOU-D670S4

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Doug's Headers D623-B

Headers, Long Tube, Steel, Painted, 3.0 in. Collector, SAP Port, Ford, Mercury, Small Block Windsor, Pair

Part Number: DOU-D623-B

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Doug's Headers D623

Headers, Long Tube, Steel, Silver Ceramic Coated, SAP Port, Ford, Mercury, Small Block Windsor, Pair

Part Number: DOU-D623

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Doug's Headers D626

Headers, Long Tube, Steel, Silver Ceramic Coated, Ford, 390-427 FE, Pair

Part Number: DOU-D626

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Doug's Headers D665

Headers, Shorty, Steel, Ceramic Coated, Ford, Mercury, Automatic Transmission, Pair

Part Number: DOU-D665

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Doug's Headers Stainless Steel Headers D690YA-SS

Headers, Tri-Y, Stainless Steel, Natural, Ford, 260, 289, 302, Automatic, Pair

Part Number: DOU-D690YA-SS

Not Yet Reviewed

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Doug's Headers Stainless Steel Headers D626-SS

Headers, Long Tube, Stainless Steel, Natural, Ford, 390-427 FE, Pair

Part Number: DOU-D626-SS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Doug's Headers D6652

Headers, Long Tube, Steel, Silver Ceramic Coated, Ford, Mercury, 5.0L Coyote Swap, Pair

Part Number: DOU-D6652

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Doug's Headers D627-B

Headers, Long Tube, Steel, Painted, 3.5 in. Collector, Rectangular Port, Ford, Mercury, 390, 427, 428, Pair

Part Number: DOU-D627-B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Doug's Headers Stainless Steel Headers D6652-SS

Headers, Long Tube, Stainless Steel, Natural, Ford, Mercury, 5.0L Coyote Swap, Pair

Part Number: DOU-D6652-SS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Doug's Headers D6652-B

Headers, Long Tube, Steel, Natural, Ford, Mercury, 5.0L Coyote Swap, Pair

Part Number: DOU-D6652-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Doug's Headers D668

Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 289, 302, Pair

Part Number: DOU-D668

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Doug's Headers D665-B

Headers, Shorty, Steel, Painted, Ford, Mercury, 260, 289, 302, Pair

Part Number: DOU-D665-B

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today