MERCURY COUGAR Doug's Headers Headers

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: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $874.50

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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

Part Number: DOU-D623-SS

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $906.85

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $874.50

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Aug 22, 2025 if ordered today

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,606.60

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Monday 8/4/2025

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Headers, Mid-Length, Stainless Steel, Natural, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-SS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $782.70

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Mid-Length, Steel, Ceramic Coated, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $893.60

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Aug 25, 2025 if ordered today

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Headers, Long Tube, Metallic Ceramic Coated, Ford, Mercury, Cleveland, Pair

Part Number: DOU-D670A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $968.40

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Monday 8/4/2025

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Headers, Tri-Y, Steel, Painted, 1 3/4 in.- 2 in. Tubes, 3.0 in. Collector, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-1B

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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

Part Number: DOU-D690YA-SS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

• Free Shipping
• Special Order
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $881.40

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $920.65

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $951.95

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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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: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $921.20

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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

Part Number: DOU-D665

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $859.65

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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

Part Number: DOU-D626-SS

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $881.95

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Mid Length, Steel, Painted, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-B

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

• Free Shipping

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

Part Number: DOU-D6652-SS

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

• Free Shipping
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,064.95

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Tri-Y, Steel, Silver Ceramic Coated, 1 3/4 - 2 in. Primary Tube O.D., 3.00 in. Collector Diameter, SAP Port, Ford, Mercury, 351W, Pair

Part Number: DOU-D669Y-1

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Aug 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $923.30

Rebate Expires: 9/30/2025

Get $100 back after rebate on this Dougs Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $100 back after rebate on qualifying Dougs Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Headers, Long Tube, Steel, Painted, Ford, Mercury, 351C, Pair

Part Number: DOU-D670S4-B

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

• Free Shipping

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

Part Number: DOU-D665-B

Not Yet Reviewed

Estimated Ship Date: Aug 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order