Availability
2004-07 Chevy/GMC Truck 8.1L, 2" primary tubes, uses factory headpipe and cats.
Part Number: STW-81TRK04
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
This product may not be eligible for select promotional offers
Headers, Long Tube, Stainless Steel, Natural, 3.00 in. Collector, Oval Port, Mercury, 4.6L, Pair
Part Number: STW-MAUCAT
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
This product may not be eligible for select promotional offers
Headers, Performance Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Chevy, LS Swap, Pair
Part Number: STW-LSS10C
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
2003-11 Crown Victoria/ Grand Marquis 4.6L 2V Headers with 1.625" dia. primaries and 3" slip fit collectors, h
Part Number: STW-CRVIC03HCAT
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
This product may not be eligible for select promotional offers
1999-04 Ford SVT Lightning Catted Longtube Headers.
Part Number: STW-FTLTNHCAT
Not Yet Reviewed
Estimated Ship Date: Dec 23, 2025 if ordered today
Estimated Ship Date: Dec 23, 2025 if ordered today
This product may not be eligible for select promotional offers
2004-08 F150 5.4L 2WD/ 4WD Triton headers with 1-3/4" dia. primaries with high flow catalytic converters
Part Number: STW-08F150HCATY
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
This product may not be eligible for select promotional offers
2004-07 Chevy/GMC Truck 8.1L, 1-7/8" primary tubes, uses factory headpipe and cats.
Part Number: STW-81TRK04188
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 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 1.875 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
Headers, Turbo, Up/Forward, Stainless, Natural, 1 7/8 in. Primary, 3 in. Slip Fit Collectors, Chevy, LS, LSX, Pair
Part Number: STW-LSXT
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
This product may not be eligible for select promotional offers
2004-07 Cadillac CTSV headers. 1 3/4" primary tubes with 3" OD collectors-headers only
Part Number: STW-CTSVH
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 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: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 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 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 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 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 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 1.875 in. Primaries, Pair
Part Number: STW-HFLS1188
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Header, Full-Length, Stainless Steel, 1 3/4 in. Tubes, 2 1/2 in. Collectors, X-Pipe, Ford, 5.4L Pair
Part Number: STW-08F150HCAT
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 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: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 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, 4V Cobra, Fits 1.75 in. Primaries, Pair
Part Number: STW-HF4-6
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 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 1.75 in. Primaries, Pair
Part Number: STW-HF462V175
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 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 2 in. Primaries, Pair
Part Number: STW-HFLS1200
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
This product may not be eligible for select promotional offers
2001-04 C5 Corvette 1 7/8" headers and 3" center section with x pipe and high flow converters. Bolt on install
Part Number: STW-C5LS103CATBT
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
This product may not be eligible for select promotional offers
Headers, Factory Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 3/4 in. Primary, 2.50 in. Collector, Dual, Chevy, GMC, Pair
Part Number: STW-CT6-0
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 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: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 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: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 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 1.625 in. Primaries, Pair
Part Number: STW-HFLS1163
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
This product may not be eligible for select promotional offers
HDR BUILDER KIT- LS SS- 1-3/4"
Part Number: STW-HBK175LS
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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