Availability
Header Flanges, Carbon Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBFBTADAPT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Tri-Y, Steel, Polished, 1 1/2 in. Primary Tube O.D., 2.500 in. Collector Diameter, Angle/Straight Plug, Ford, 4.3L, 4.7L, 5.0L, Pair
Part Number: BIG-12120FLT
Estimated Ship Date: Oct 17, 2025 if ordered today
Estimated Ship Date: Oct 17, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, AFR 225 Heads, Fits 2 in. Primaries, Pair
Part Number: STW-HFSBFAFR200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Merge Collector, 3-1, 304 Stainless Steel, Natural, 1.75 in. Primary, 2.5 in. Outlet, 7.5 in. Long, Each
Part Number: VPE-10334
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3 in. Collector, Manual, Chevy, Pair
Part Number: SCH-185M
Estimated Ship Date: Oct 9, 2025 if ordered today
Estimated Ship Date: Oct 9, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFSBF2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.625 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7831
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
2-3/8" primary, 4" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4237-400
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, 7.3 Ford Godzilla 21'-up, Pair
Part Number: SUM-670204SS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
2-1/4" primary, 3" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4225-300
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Exhaust Collector, Merge, Stainless Steel, 4 into 1, 1.75 in. Primary, 3 in. Outlet, 11 in. Length, Each
Part Number: STW-MC4175-300
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Header Tether System, 10 in. Stainless Steel Tether, Fits 2 in. Primary Tube With 4.000 in. Collector, Kit
Part Number: CHH-001020004000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair
Part Number: PTE-H7832
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, Steel, 3/8 in. Thick, 2.000 in. Diameter D-Port, Mopar Hemi Gen III, Pair
Part Number: SUM-270209
Estimated Ship Date: Today
Estimated Ship Date: Today
Merge Collector, 4 Into 1, Slip-on, 1.875 in. Primaries, 2.5/3 in. Collector, Steel, Black Painted, Each
Part Number: SCH-SOM82530
Not Yet Reviewed
Estimated Ship Date: Oct 9, 2025 if ordered today
Estimated Ship Date: Oct 9, 2025 if ordered today
Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.125 in. Port, Gaskets, Bolts, Ford, 390-428 FE, Pair
Part Number: PTE-H7829
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
Merge Collector, 4 Into 1, Slip-on, 2.375 in. Primaries, 3.5/4 in. Collector, Steel, Black Painted, Each
Part Number: SCH-SOM33540
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBF2188
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Header Tether System, 10 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 4.000 in. Collector, Kit
Part Number: CHH-001022504000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Pipe, PowerBomb, Stainless Steel, Natural, for use on Honda®, Each
Part Number: FMF-041082
Not Yet Reviewed
Estimated Ship Date: Oct 16, 2025 if ordered today
Estimated Ship Date: Oct 16, 2025 if ordered today
WELD ON 4 WAY COLLECTOR
Part Number: STW-FC4250-500
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Merge Collector, 3-1, 304 Stainless Steel, Natural, 1.875 in. Primary, 2.5 in. Outlet, 8.25 in. Long, Each
Part Number: VPE-10336
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Collector, Slip-on, Stainless Steel, 2.000 in. Inlets, 3.500 in. Outlet, Each
Part Number: KOK-9908S
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, Set of 32
Part Number: STG-8908
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, Ford, Mercury, 2.0L, 2.3L, Each
Part Number: BIG-12160FLT
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
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