Availability
Showing In Stock Items. Show All 105 Items.
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $840.55
Rebate Expires: 9/30/2025
Headers, Long Tube One-piece, Steel, Silver Ceramic Coated, Round Port, Chevrolet, Small Block LS, Pair
Part Number: DOU-D3348
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $840.55
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $782.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, 327, 350, V8, Pair
Part Number: DOU-D350
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $782.20
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, 1.75 in. Primary Tube, 3 in. Collector, Chevy, LS Swap, Pair
Part Number: DOU-D3336
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: $812.95
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, V8, Pair
Part Number: DOU-D368
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $812.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $887.25
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, 3-Bolt Flange Big Block,Chevy. Pair
Part Number: DOU-D322-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $887.25
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$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: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $722.25
Rebate Expires: 9/30/2025
Headers, Long Tube One-piece, Steel, Silver Ceramic Coated, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair
Part Number: DOU-D3349
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $722.25
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$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: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $873.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $859.65
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D336
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: $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: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $959.90
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $920.65
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D334
Not Yet Reviewed
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: $874.50
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: DOU-D308
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, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Big Block, Pair
Part Number: DOU-D303Y
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: $824.10
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Chevy, 5.7L, Pair
Part Number: DOU-D3330
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $824.10
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: $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
$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
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $741.45
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Titanium Ceramic Coated, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L
Part Number: JBA-1850S-2JT
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $741.45
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
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $791.14
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadilllac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair
Part Number: JBA-1850S-2JS
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $791.14
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, 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
$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
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