Availability
Header Collector, Slip-on, Steel, 2.375 in. Inlets, 4.000 in. Outlet, Each
Part Number: KOK-9914SM
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Header Collector, Slip-on, Steel, 2.250 in. Inlets, 4.500 in. Outlet, Each
Part Number: KOK-9913SM
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Header Collector, Slip-on, Stainless Steel, 2.500 in. Inlets, 4.500 in. Outlet, Each
Part Number: KOK-9917S
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Header Collector, Slip-on, Steel, 2.000 in. Inlets, 4.000 in. Outlet, Each
Part Number: KOK-9909SM
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.875 in. Diameter D-Port, Mopar Hemi Gen III, Pair
Part Number: SUM-270205ST
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFSBF1
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L/6.1L/6.4L, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFJP61175
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
Header, Jr. Dragster, Steel, Chrome, 1 3/4 in. Primary Tube Diameter, Each
Part Number: JRC-654-6453-WE
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Header Flange, Godzilla, Stock, Steel, 3/8 in. Thick, Round Port Shape, Ford, Pair
Part Number: MML-MNFD2302377
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Flange Kit, Small Block Chevy, 3/8" Thick, Includes 6 Plates
Part Number: MOR-67650
Not Yet Reviewed
Estimated Ship Date: Aug 29, 2025 if ordered today
Estimated Ship Date: Aug 29, 2025 if ordered today
Header Tether System, 10 in. Stainless Steel Tether, Fits 2 in. Primary Tube With 3.500 in. Collector, Kit
Part Number: CHH-001020003500
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Tether System, 10 in. Stainless Steel Tether, Fits 2 1/2 in. Primary Tube With 4.500 in. Collector, Kit
Part Number: CHH-001025004500
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Tether System, 10 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 3.500 in. Collector, Kit
Part Number: CHH-001022503500
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, Stainless Steel, Natural, AMC, V8, Set of 12
Part Number: STG-8958S
Estimated Ship Date: Sep 10, 2025 if ordered today
Estimated Ship Date: Sep 10, 2025 if ordered today
Header Flanges, Exhaust Manifold Flanges, Stainless, 0.375 in. Thick, Designed Specifically for Porsche 996/911 Engines, Porsche, 3.4L/3.6L/3.8L, Pair
Part Number: VPE-14296
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
2-1/8" primary, 3-1/2" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make coll
Part Number: STW-FC4212-350
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
2-1/8" primary, 3" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4212-300
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, Exhaust Manifold Flanges, Stainless Steel, Stock Flange Port Shape, Designed Specifically for Porsche 911 and 930 Engines, Set of 6
Part Number: VPE-14930
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
HDR FLANGE CHEV RECT 409
Part Number: PTE-H7834
Not Yet Reviewed
Estimated Ship Date: Sep 19, 2025 if ordered today
Estimated Ship Date: Sep 19, 2025 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.125 in. Port, Gaskets, Bolts, Chevy, Big Block, Pair
Part Number: PTE-H7898
Not Yet Reviewed
Estimated Ship Date: Sep 19, 2025 if ordered today
Estimated Ship Date: Sep 19, 2025 if ordered today
Collector Flange SS 304 3 Bolt 2-1/2" 5/16"
Part Number: PTE-H7230
Not Yet Reviewed
Estimated Ship Date: Sep 19, 2025 if ordered today
Estimated Ship Date: Sep 19, 2025 if ordered today
Headers, Super Competition, Block Hugger, Steel, Painted, Chevy, Small Block, LS1, Pair
Part Number: HOK-2312HKR
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
Headers, Tight Tuck, Shorty, Steel, Natural, Street Rod with Chevy, Small Block, Pair
Part Number: PTE-H8027
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Headers, Circle Track, 4-1 One-Piece, Steel, 1 3/4 in. Primaries, 3 in. Collector, Chevy, Pair
Part Number: SCH-152E-3
Not Yet Reviewed
Estimated Ship Date: Aug 29, 2025 if ordered today
Estimated Ship Date: Aug 29, 2025 if ordered today
Headers, Circle Track, 4-1 One-Piece, Steel, 1 3/4 in. Primaries, 3.5 in. Collector, Chevy, Pair
Part Number: SCH-152
Estimated Ship Date: Aug 29, 2025 if ordered today
Estimated Ship Date: Aug 29, 2025 if ordered today
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