Availability
Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each
Part Number: FLO-42441
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
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: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Competition, Long Tube, Steel, Ceramic Coated, Dodge, D, W, Series Pickup, 273, 318, 340, 360, Pair
Part Number: HOK-5902-1HKR
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Muffler, FlowFX Series, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Natural, Each
Part Number: FLO-71236
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Street, Long Tube, Steel, Temporary Paint, Chevy, GMC, Big Block, Pair
Part Number: HED-69110
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Header Bolts, Split Lock, 3/8-16 in., 12-Point, Steel, Black Oxide, Chevy, Mopar, AMC, Set of 12
Part Number: SUM-910120
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Engine Swap, Stainless Steel, Gen III Hemi, Dodge, Plymouth, Pair
Part Number: HOK-BH2375
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Header, Street, Long Tube, Steel, Temporary Paint, Jeep, 232, 258, Each
Part Number: HED-99600
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pair
Part Number: DOU-D318-B
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Competition, Long Tube, Steel, Painted, Chevy, GMC, Small Block, Pair
Part Number: HOK-2452HKR
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
HEADERS, Doug's Headers D930-SS Side Tubes Corvette Sidemount Polished 304 Stainless Steel
Part Number: DOU-D930-SS
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Combo, Summit, Headers, Steel, Ceramic Coated, 1 5/8 in., Exhaust System, Steel, Aluminized, 2.25 in., Kit
Part Number: CMB-05-0014
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Competition, Shorty, Steel, Painted, Buick, Pontiac, with Chevy Small Block, Pair
Part Number: HOK-2466HKR
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Competition, Long Tube, Steel, Painted, Dodge, Plymouth, 273, 318, 340, 360, Pair
Part Number: HOK-5901HKR
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Exhaust Side Tubes, Steel, Black Painted, 4 in. Diameter, 44.75 in. Length, Chevy, Pair
Part Number: DOU-D930-B
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Muffler, Delta Flow 50 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-942553
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Street, Long Tube, Steel, Temporary Paint, Oldsmobile, 260, 307, 330, 350, 403, Pair
Part Number: HED-58070
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Muffler, American Thunder 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each
Part Number: FLO-43043
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Long Tube, 1-5/8 in. Primary Tubes, Steel, Painted, Chevy, Small Block, Pair
Part Number: SUM-G9003
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Header Bolts, Hex Head, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, Small Block, Set of 12
Part Number: ARP-400-1101
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, GMC, LS Swap, Pair
Part Number: HOK-701015031HKR
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Catalytic Converter, 3-way, Stainless Steel Case, 2.5 in. Slip Fit, Dodge, Ford, Isuzu, Plymouth, Toyota, Each
Part Number: MPE-334006
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Headers, Shorty, Steel, Painted, GM Car with Chevy, Small Block, Pair
Part Number: BIG-11108FLT
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Exhaust Manifolds, Cast Iron, Chrome, 2.50 in. Collector, Rams Horn Style, Chevy, Small Block, Pair
Part Number: SUM-G9200
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Muffler, FlowFX Series, 2.25 in. Offset Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Each
Part Number: FLO-71225
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
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