Availability
Showing In Stock Items. Show All 24 Items.
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,069.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange,Big Block,Chevy. Pair
Part Number: DOU-D320-SS
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,069.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, Big Block, Pair
Part Number: DOU-D313
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $812.95
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, V8, Pair
Part Number: DOU-D368
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $812.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $892.00
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange, Small Block,Chevy. Pair
Part Number: DOU-D308-SS
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $892.00
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $873.45
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Small Block,Chevy. Pair
Part Number: DOU-D368-SS
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $873.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $959.90
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange, Big Block,Chevy. Pair
Part Number: DOU-D313-SS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $959.90
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,076.10
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D320
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,076.10
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,286.15
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Small Block,Chevy. Pair
Part Number: DOU-D323-SS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,286.15
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,060.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D323
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,060.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$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: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $807.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: DOU-D308
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $890.40
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Chevy, Big Block, Pair
Part Number: DOU-D306
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $890.40
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $928.60
Rebate Expires: 9/30/2025
Headers, 4-1 One-piece, Steel, Ceramic Coated, 1 7/8 in. Primary, 3.5 in. Collector, Chevy, Big Block, Pair
Part Number: DOU-D328
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $928.60
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$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: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $872.40
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$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: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $740.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$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: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $825.70
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,094.65
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair
Part Number: DOU-D319
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,094.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $591.75
Rebate Expires: 9/30/2025
Headers, Mid-length, Steel, Silver Ceramic Coated, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair
Part Number: DOU-D3357
Not Yet Reviewed
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $591.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: DOU-D304
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$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: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $848.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $968.40
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair
Part Number: DOU-D3341
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $968.40
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $935.50
Rebate Expires: 9/30/2025
Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Car, Pickup, 283-400, V8, Pair
Part Number: DOU-D375Y
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $935.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,350.35
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair
Part Number: DOU-D321
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,350.35
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.80
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: DOU-D305
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 20, 2025 if ordered today
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