Availability
Showing In Stock Items. Show All 38 Items.
$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: $945.05
Rebate Expires: 9/30/2025
Headers, Long Tube, Stainless Steel, Natural, Chevy, Pair
Part Number: DOU-D318-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $945.05
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: $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: $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: $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
Headers, Competition, Long Tube, Steel, Ceramic Coated, Oldsmobile, 400, 425, 455, Pair
Part Number: HOK-3902-1HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Blackheart, Long Tube, Steel, High Temperature Black Paint, Buick, Chevy, GMC, Oldsmobile, Pontiac, LS Swap, Pair
Part Number: HOK-70101518HKR
Estimated Ship Date: Today
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, Long Tube, Steel, High Temperature Black Paint, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D336-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Blockhugger, Steel, Silver Ceramic Coated, 1 5/8 in. Primary Tube O.D., Angle Plug, Buick, Chevy, GMC, Olds, Pontiac, Chevy Small Block, Pair
Part Number: SNH-CC10AP158SEC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: $944.55
Rebate Expires: 9/30/2025
Header, Long Tube, Stainless Steel, Natural, 1 3/4 in. Tubes, 3.0 in. Collector, Oldsmobile, Pair
Part Number: DOU-D741-SS
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $944.55
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube, Stainless Steel, Natural, 1.875 in. Tube, 3.00 in. Collector, Chevy, LSX Small Block
Part Number: KOK-29202400
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Super Comp, Long Tube, Steel, Painted, GM, with Chevy Small Block, Pair
Part Number: HOK-2129HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Elite Extreme-Duty, Long Tube, Steel, Silver Ceramic Coated, Oldsmobile, Pair
Part Number: HED-58158
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, High Temperature Black Paint, SAP Port, Chevrolet, Oldsmobile, Pontiac, Small Block, Pair
Part Number: DOU-D337-B
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $855.95
Rebate Expires: 9/30/2025
Headers, Tri-Y, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D370Y
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $855.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 20, 2025 if ordered today
Headers, Tri-Y, Steel, High Temperature Black Paint, Class A Motorhome, Oldsmobile V8, Pair
Part Number: DOU-D755Y-B
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Headers, Elite Extreme-Duty, Long Tube, Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair
Part Number: HED-67313
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
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