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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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Headers, Tri-Y, Steel, Temporary non-high Temperature Paint, Pair
Part Number: BIG-12119FLT
Estimated Ship Date: Dec 17, 2025 if ordered today
Estimated Ship Date: Dec 17, 2025 if ordered today
This product may not be eligible for select promotional offers
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
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Big Block, Fits 2.25 in. Primaries, Pair
Part Number: STW-HFBBF1225
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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 1.875 in. Primaries, Pair
Part Number: STW-HFJP61188
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, AFR 225 Heads, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBFAFR188
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
WELD ON 4 WAY COLLECTOR
Part Number: STW-FC4250-500
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
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
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Trick Flow® High Port Heads, Fits 2 in. Primaries, Pair
Part Number: STW-HFSBFTFHP200
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
This product may not be eligible for select promotional offers
Headers, Long Tube, Steel, Painted, Ford, Mercury, Car, Small Block, Pair
Part Number: BIG-12100FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
1 5/8" primary, 3.0" outlet-2 1/2" collector with reverse cone to 3" OD outlet. 304 s/s construction, tig wel
Part Number: STW-MC4163-300
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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: Today
Estimated Ship Date: 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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFLS1175
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Headers, Super Competition, Block Hugger, Steel, Painted, Chevy, Small Block, LS1, Pair
Part Number: HOK-2312HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
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: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT1/LT4, Fits 2 in. Primaries, Pair
Part Number: STW-HFLT1-200
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT5, Fits 2 in. Primaries, Pair
Part Number: STW-HFLT5
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFBBC175
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFSBC1625
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 2V, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF462V163
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Edelbrock Victor Sr. Heads, Fits 2 in. Primaries, Pair
Part Number: STW-HFSBFVICT200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
SLIP FIT MERGE COLLECTOR
Part Number: STW-MCLC4187-350
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
This product may not be eligible for select promotional offers
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This is a custom order part. You can order this part by Contacting Us.