Availability
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, SAP Port, Ford, Mercury, Small Block Windsor, Pair
Part Number: DOU-D623
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $744.05
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Ford, Mercury, 289, 302, Pair
Part Number: JBA-1650SJS
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $744.05
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $906.85
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Small Block, Ford. Pair
Part Number: DOU-D623-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $906.85
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Ford, 390-427 FE, Pair
Part Number: DOU-D626
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $893.60
Rebate Expires: 9/30/2025
Headers, Mid-Length, Steel, Ceramic Coated, Ford, Mercury, 351W, Pair
Part Number: DOU-D669Y
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $893.60
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Competition, Long Tube, Stainless Steel, Ford, Mercury, 260, 289, 302, 351W, Pair
Part Number: HOK-6901-2HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Painted, 3.0 in. Collector, SAP Port, Ford, Mercury, Small Block Windsor, Pair
Part Number: DOU-D623-B
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $782.70
Rebate Expires: 9/30/2025
Headers, Mid-Length, Stainless Steel, Natural, Ford, Mercury, 351W, Pair
Part Number: DOU-D669Y-SS
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $782.70
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Super Competition, Long Tube, Steel, Painted, Ford, Mercury, 429, 460, Pair
Part Number: HOK-6115HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Super Competition, Long Tube, Steel, Painted, Ford, Mercury, Pair
Part Number: HOK-6114HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $921.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Ford, Mercury, 5.0L Coyote Swap, Pair
Part Number: DOU-D6652
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $921.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube, Steel, Natural, Ford, Mercury, 5.0L Coyote Swap, Pair
Part Number: DOU-D6652-B
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $881.40
Rebate Expires: 9/30/2025
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
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $881.40
Rebate Expires: 9/30/2025
Estimated Ship Date: Aug 25, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $920.65
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 289, 302, Pair
Part Number: DOU-D668
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $920.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube, 304 Stainless Steel, Silver Ceramic Coated, Ford, Mercury, Small Block Windsor, Pair
Part Number: HED-82306
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Estimated Ship Date: Oct 16, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 351C, 4V, Pair
Part Number: DOU-D670S4
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Competition, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 351C, 4V, Pair
Part Number: HOK-6915-1HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $859.65
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Ford, Mercury, Automatic Transmission, Pair
Part Number: DOU-D665
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $859.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $881.95
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, Ford, 390-427 FE, Pair
Part Number: DOU-D626-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $881.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $968.40
Rebate Expires: 9/30/2025
Headers, Long Tube, Metallic Ceramic Coated, Ford, Mercury, Cleveland, Pair
Part Number: DOU-D670A4
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $968.40
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Super Competition, Long Tube, Steel, Painted, Ford, Mercury, Pair
Part Number: HOK-6208HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Mid Length, Steel, Painted, Ford, Mercury, 351W, Pair
Part Number: DOU-D669Y-B
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $923.30
Rebate Expires: 9/30/2025
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
Estimated Ship Date: Aug 25, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $923.30
Rebate Expires: 9/30/2025
Estimated Ship Date: Aug 25, 2025 if ordered today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $913.80
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Natural, Ford, Mercury, 351W, Pair
Part Number: JBA-1653S
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $913.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $977.45
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Titanium Ceramic Coated, Ford, Mercury, 351W, Pair
Part Number: JBA-1653SJT
Not Yet Reviewed
Estimated Ship Date: Aug 22, 2025 if ordered today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $977.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Aug 22, 2025 if ordered today
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