Availability
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: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
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: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
1994- Early '95 Camaro/Firebird 1 3/4" primaries with 2 1/2" y pipe, high flow cats with AIR tubes
Part Number: STW-CA9495C
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Headers, Long Tube, Stainless Steel, Natural, 3.5 in. Collector, Chevy, Big Block, Pair
Part Number: STW-CANV679178
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
1999-02 Chevy/GMC 4.8L, 5.3L Truck (4WD Only) - 1 3/4" CNC Mandrel Bent primaries, 3/8" thick CNC Laser cut fl
Part Number: STW-CT9902
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
1999-02 Chevy/GMC 4.8L, 5.3L Truck (2WD Only) - 1 3/4" CNC Mandrel Bent primaries, 3/8" thick CNC Laser cut fl
Part Number: STW-CT99022WD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Cadillac CTS-V 2016 Catted Headers
Part Number: STW-CTSV16HCAT
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Headers, 1 7/8 in. Primaries, 3 in. Collectors, X-Pipe with Cats, Stainless Steel, Chevrolet, Pair
Part Number: STW-C605178HCAT
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Header, Long Tube, Stainless Steel, 1 7/8 in. Tubes, 3 in. Collectors, Ford, 5.0L, Pair
Part Number: STW-M11HDRCATX
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
SLIP FIT MERGE COLLECTOR
Part Number: STW-MCLC4187-350
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
1-7/8 Four-Way Short Merge Collector
Part Number: STW-MCS4188300
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Pontiac G8 GT 2008-09 Headers 1-7/8" High-Flow Cats Factory
Part Number: STW-PG8HCATSTFC
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Headers, Turbo, Up/Forward, Stainless, Natural, 1 7/8 in. Primary, 3 in. Slip Fit Collectors, Chevy, Small Block, Pair
Part Number: STW-SBCT
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Header, Long Tube, Stainless Steel, 2 in. Tubes, 3 in. Collectors, Chevy, 6.2L, Each
Part Number: STW-CA11H3CAT
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
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: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
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: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Header, Long Tube, Stainless Steel, 1 7/8 in. Tubes, 3 in. Collectors, Chevy, 6.2L, Pair
Part Number: STW-SS14HCATSW
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Headers, Long Tube, 304 Stainless Steel, 2 in. Primary, 3 in. Collector, Chevy, Kit
Part Number: STW-ZR1FACTCAT
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Headers, Long Tube, Catalytic Converter, Stainless Steel, Natural, 2 in. Primary, 3.50 in. Collector, Ford, 351W Swap, Pair
Part Number: STW-FOXDART2C
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Headers, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Primary, 3.50 in. Collector, Ford, 351W Swap, Pair
Part Number: STW-FOXTW188C
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Header, Long Tube, Stainless Steel, 1 7/8 in. Tubes, 3 in. Collectors, Ford, 6.2L, Pair
Part Number: STW-FTR11HCATSC
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 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: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
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: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
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: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
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: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
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