Availability
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $838.45
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, Pontiac, 389-428, V8, Pair
Part Number: DOU-D521-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $838.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $807.65
Rebate Expires: 9/30/2025
Headers, Shorty, Stainless Steel, Natural, Chevy, Big Block, Pair
Part Number: DOU-D306-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $807.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $892.00
Rebate Expires: 9/30/2025
Headers, Fenderwell, Steel, Ceramic Coated, Jeep, 304, Pair
Part Number: DOU-D190
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $892.00
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair
Part Number: DOU-D3321
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, Long Tube, Steel, Black Painted, Buick, 350, Pair
Part Number: DOU-D200-B
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $967.85
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, 1.75 in Primary, 3 in Collector, Ford, Mercury, FE, V8, Automatic, Pair
Part Number: DOU-D625
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $967.85
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $650.10
Rebate Expires: 9/30/2025
Headers, Tri-Y, Steel, Ceramic Coated, Jeep, 304, Pair
Part Number: DOU-D1104Y
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $650.10
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $872.40
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Silver Ceramic Coated, Buick, Chevy, Olds., Pontiac, Pair
Part Number: DOU-D337
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $872.40
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, Ceramic Coated, Chevy, 283-400, V8, Pair
Part Number: DOU-D369
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: $874.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Dodge, Plymouth, B, E-Body, 361-400, V8, Pair
Part Number: DOU-D451
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: $825.70
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Silver Ceramic Coated, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair
Part Number: DOU-D3355
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $825.70
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, 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
$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
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $855.95
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D3343
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $855.95
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: $874.50
Rebate Expires: 9/30/2025
Headers, Tri-Y, Steel, Ceramic Coated, Ford, 260, 289, 302, Manual, Pair
Part Number: DOU-D660YS
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: $874.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair
Part Number: DOU-D324
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pontiac, Pair
Part Number: DOU-D3321-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Header, Long Tube, Steel, Black Hi-Temp Coated, 2 in. Tubes, 3.5 in. Collector, Dodge, Plymouth, Pair
Part Number: DOU-D452-B
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $669.75
Rebate Expires: 9/30/2025
Headers, Fenderwell, Steel, Silver Ceramic Coated, Chevy, Big Block V8, Pair
Part Number: DOU-D352
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $669.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $740.80
Rebate Expires: 9/30/2025
Headers, Shorty, Stainless Steel, Natural, Chevy, Small Block, Pair
Part Number: DOU-D304-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $740.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $921.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, 265, 283, V8, Pair
Part Number: DOU-D353
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $921.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Headers, Tri-Y, Steel, Ceramic Coated, Chevy, 283-400, V8, Pair
Part Number: DOU-D367Y
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $921.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, 283-327, V8, Pair
Part Number: DOU-D358
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $921.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Headers, Long Tube Style, Steel, Silver Ceramic Coated, SAP Port, 3 in. Collector, Ford, 255, 302, Pair
Part Number: DOU-D6671
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $951.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
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