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Instruction Sheets for Part Number STW-HM64HDRCAT
Stainless Works Performance Headers
Headers, Long Tube, Stainless Steel, Natural, 3 in. Collector, D-Port, Chrysler, Dodge, 5.7, 6.4L, Pair
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Estimated Ship Date: Dec 28, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
HM64HDRCAT
Part Type:
Product Line:
Summit Racing Part Number:
STW-HM64HDRCAT
UPC:
887753141651
Header Style:
Long tube one-piece
Header Material:
304 stainless steel
Primary Tube Outside Diameter (in.):
1 7/8 in.
Header Color:
Natural
Flange Style:
Standard
Weld-Up:
No
Collector Attachment:
Slip fit
Collector Diameter (in.):
3.00
Collector Reducers Included:
No
Tuned:
No
Primary Tube Gauge:
16-gauge
Flange Thickness (in.):
0.38 in.
Bolts/Studs Included:
Yes
Gaskets Included:
No
Crossover Pipe Included:
No
Catalytic Converter(s) Included:
Yes
Catalytic Converter Quantity:
2
Motor Mounts Included:
No
Transmission Mount Included:
No
Quantity:
Sold as a pair.
Notes:
Requires no gaskets. RTV sealant included. Lead pipes connect to factory or Stainless Works performance exhausts. Includes clamps, oxygen sensor extensions, bolts, and RTV.
Stainless Works Performance Headers
Gain powerful sound, better performance, and improved mileage with a set of Stainless Works performance headers. Constructed from high-quality 304L stainless steel, the headers are CNC mandrel-bent and have durable 3/8 in. thick flanges. They're available to fit the factory connection point, or attach to a custom Stainless Works cat-back exhaust. Order the style you prefer and the model designed for your year/make and engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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