Availability
$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: $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
$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, C-4 Automatic, Pair
Part Number: DOU-D660YA
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: $905.25
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D314
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $905.25
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube One-piece, Steel, Black Ceramic Coated, Round Port, Chevrolet, Small Block LS, Pair
Part Number: DOU-D3348-B
Not Yet Reviewed
Estimated Ship Date: Today
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: $872.90
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, Pontiac, 350-455, V8, Pair
Part Number: DOU-D590-SS
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $872.90
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $909.75
Rebate Expires: 9/30/2025
Headers, Fenderwell, Steel, Ceramic Coated, LS Swap, Chevy, Pair
Part Number: DOU-D366
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $909.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.30
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, Pontiac V8, Pair
Part Number: DOU-D581-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.30
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube, Steel, Black Ceramic Coated, Chevy, Pair
Part Number: DOU-D334-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Side Mount, Steel, High Temperature Black Paint, Chevy, Pair
Part Number: DOU-D381-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: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $881.40
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $812.95
Rebate Expires: 9/30/2025
Header, Long Tube, Steel, Silver Ceramic Coated, 1 3/4 in. Tubes, 3.0 in. Collector, Oldsmobile, Pair
Part Number: DOU-D741
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $812.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Tri-Y, Steel, Painted, 2.5 in. Collector, SAP Port, Ford, 260, 289, Pair
Part Number: DOU-D660YS-B
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $920.65
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, AMC, V8, Pair
Part Number: DOU-D103
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $920.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $848.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic, 1.75 in. Primary Tube, 2.5 in. Collector, Chevy, LS Swap, Pair
Part Number: DOU-D3347
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $848.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $931.80
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, Pontiac, 326, 350, 400, V8, Pair
Part Number: DOU-D568-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $931.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $953.00
Rebate Expires: 9/30/2025
Headers, Tri-Y, Stainless Steel, Natural, Ford, 260, 289, 302, C-4 Automatic, Pair
Part Number: DOU-D660YA-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $953.00
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, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, 283-350, V8, Pair
Part Number: DOU-D372Y
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: $935.50
Rebate Expires: 9/30/2025
Headers, Tri-Y, Steel, Ceramic Coated, Ford, Mercury, 221, 260, 289, Pair
Part Number: DOU-D662Y
Not Yet Reviewed
Estimated Ship Date: Oct 7, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $935.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 7, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $776.35
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D330
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $776.35
Rebate Expires: 9/30/2025
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: Oct 7, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $923.30
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 7, 2025 if ordered today
Headers, Long Tube, Steel, Black Painted, Chevy, Chevy Small Block, Pair
Part Number: DOU-D308-B
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $675.55
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Dodge, Plymouth, Small Block, Pair
Part Number: DOU-D454
Estimated Ship Date: Oct 7, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $675.55
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 7, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $935.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, Small Block, Pair
Part Number: DOU-D310
Estimated Ship Date: Oct 7, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $935.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 7, 2025 if ordered today
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