Headers

SLIP FIT MERGE COLLECTOR

Part Number: STW-MCLC4187-350

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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

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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

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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

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFBBC188

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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

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Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 2 in. Primaries, Pair

Part Number: STW-HFLS1200

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10" Tethers / 1.875 Primary Clamps / 2.250 Collector Clamps

Part Number: CHH-001018752250

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Estimated Ship Date: Nov 7, 2025 if ordered today

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10" Tethers / 2.000 Primary Clamps / 2.250 Collector Clamps

Part Number: CHH-001020002250

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15" Tethers / 2.000 Primary Clamps / 2.250 Collector Clamps

Part Number: CHH-001520002250

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15" Tethers / 2.125 Primary Clamps / 2.250 Collector Clamps

Part Number: CHH-001521252250

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15" Tethers / 2.250 Primary Clamps / 2.375 Collector Clamps

Part Number: CHH-001522502375

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Header Tether System, 15 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 2.500 in. Collector, Kit

Part Number: CHH-001522502500

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Header Tether System, 15 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 3.000 in. Collector, Kit

Part Number: CHH-001522503000

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Header Tether System, 15 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 3.500 in. Collector, Kit

Part Number: CHH-001522503500

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Header Tether System, 15 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 4.500 in. Collector, Kit

Part Number: CHH-001522504500

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15" Tethers / 2.250 Primary Clamps / 6.250 Collector Clamps

Part Number: CHH-001522506250

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15" Tethers / 2.250 Primary Clamps / 6.500 Collector Clamps

Part Number: CHH-001522506500

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15" Tethers / 2.250 Primary Clamps / 7.250 Collector Clamps

Part Number: CHH-001522507250

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10" Tethers / 2.125 Primary Clamps / 2.250 Collector Clamps

Part Number: CHH-001021252250

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10" Tethers / 2.250 Primary Clamps / 2.375 Collector Clamps

Part Number: CHH-001022502375

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Header Tether System, 10 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 2.500 in. Collector, Kit

Part Number: CHH-001022502500

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Header Tether System, 10 in. Stainless Steel Tether, Fits 2 1/4 in. Primary Tube With 4.500 in. Collector, Kit

Part Number: CHH-001022504500

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10" Tethers / 2.250 Primary Clamps / 6.250 Collector Clamps

Part Number: CHH-001022506250

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10" Tethers / 2.250 Primary Clamps / 6.500 Collector Clamps

Part Number: CHH-001022506500

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