Availability
2-3/8" primary, 3" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4237-300
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
2-1/2" primary, 4" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4250-400
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Pipe, PowerBomb, Stainless Steel, Natural, Yamaha, Each
Part Number: FMF-044244
Not Yet Reviewed
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.4L/5.8L, 3V, Fits 1.875 in. Primaries, Pair
Part Number: STW-HF54S
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 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 1.875 in. Primaries, Pair
Part Number: STW-HFBBC188
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 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 2 in. Primaries, Pair
Part Number: STW-HFJP61200
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 2 in. Primaries, Pair
Part Number: STW-HFLS7200
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered 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: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 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, Edelbrock Victor Sr. Heads, Fits 1.875 in. Primaries, Pair
Part Number: STW-S0002
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 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, 3V, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF463V163
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 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, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF57H163
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 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, Fits 1.75 in. Primaries, Pair
Part Number: STW-HF57H175
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 5.0L/5.2L, Coyote, Voodoo, Fits 2 in. Primaries, Pair
Part Number: STW-HFFORD5-0200
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 6.2L, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFFTR6-2188
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 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 1.625 in. Primaries, Pair
Part Number: STW-HFLS1163
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 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 2 in. Primaries, Pair
Part Number: STW-HFLS1200
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS7, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFLS7188
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
2-1/8" primary, 4" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4212-400
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
2-3/8" primary, 3-1/2" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make coll
Part Number: STW-FC4237-350
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
WELD ON 4 WAY COLLECTOR
Part Number: STW-FC4237-500
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
2-1/2" primary, 3" outlet, 8" long. 304 s/s construction with smooth flow taper. We can custom make collecto
Part Number: STW-FC4250-300
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
2"Four-Way Short Merge Collector Kit
Part Number: STW-MCS4200300K
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
This product may not be eligible for select promotional offers
Header, Jr. Dragster, Steel, Chrome, 1 5/8 in. Primary Tube Diameter, Each
Part Number: JRC-654-6452
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Header, Jr. Dragster, Steel, Chrome, 1 3/4 in. Primary Tube Diameter, Each
Part Number: JRC-654-6453
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
DIY Comp
Part Number: PTE-H7889
Not Yet Reviewed
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
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