Availability
Showing In Stock Items. Show All 48 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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $840.55
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $874.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $451.20
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair
Part Number: DOU-D3373
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $451.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $722.25
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $518.79
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Natural, 1-5/8 in. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair
Part Number: JBA-1850S-2
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $518.79
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $579.95
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Natural, Cadillac, Chevy, GMC, Hummer, SUV, Pickup, 6.0L, Pair
Part Number: JBA-1850S-3
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $579.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $741.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $734.53
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: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $734.53
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $904.20
Rebate Expires: 9/30/2025
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pontiac, Pair
Part Number: DOU-D333
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $904.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $617.20
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-D3350
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $617.20
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $855.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $791.30
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, Pickup, 6.0L, Pair
Part Number: JBA-1850S-3JS
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $791.30
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.80
Rebate Expires: 9/30/2025
Headers, Long Tube One-piece, Steel, Silver Ceramic Coated, Round Port, Chevrolet, Pontiac, Small Block LS, Pair
Part Number: DOU-D3351
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $945.65
Rebate Expires: 9/30/2025
Headers, Competition Ready, Stainless Steel, Silver Ceramic Coated, Chevy, 6.2L, Pair
Part Number: JBA-6813SJS
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $945.65
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $591.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $848.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $825.70
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $621.50
Rebate Expires: 9/30/2025
Headers, Cat4ward, Shorty, Stainless Steel, Natural, Cadillac, Chevy, GMC, 5.3, 6.2L, Kit
Part Number: JBA-1850S-4
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $621.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $570.00
Rebate Expires: 9/30/2025
Headers, Mid-length, Steel, Silver Ceramic Coated, Round Port, Chevrolet, Pontiac, Small Block LS, Pair
Part Number: DOU-D3358
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $570.00
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $760.50
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadillac, 6.2L, Pair
Part Number: JBA-1850S-4JS
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $760.50
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$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: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $905.25
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $908.30
Rebate Expires: 9/30/2025
Headers, Fenderwell, Steel, Ceramic Coated, LS Swap, Chevy, Pair
Part Number: DOU-D366
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $908.30
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $741.45
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Titanium, Cadillac, Chevy, GMC, Hummer, SUV, Pickup, 6.0L, Pair
Part Number: JBA-1850S-3JT
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $741.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.80
Rebate Expires: 9/30/2025
Headers, Long Tube One-piece, Steel, Silver Ceramic Coated, Round Port, Chevrolet, Pontiac, Small Block LS, Pair
Part Number: DOU-D3352
Not Yet Reviewed
Estimated Ship Date: Sep 15, 2025 if ordered today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $888.80
Rebate Expires: 9/30/2025
Estimated Ship Date: Sep 15, 2025 if ordered today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $822.05
Rebate Expires: 9/30/2025
Headers, Competition Ready, Long Tube, Stainless Steel, Natural, Chevy, 6.2L, Kit
Part Number: JBA-6815S
Estimated Ship Date: Monday 8/25/2025
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $822.05
Rebate Expires: 9/30/2025
Estimated Ship Date: Monday 8/25/2025
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