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Standard Headers
Product Discontinued
FLOWTECHPART NUMBER: 387-31154

Standard Headers

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

GM Cars
    Standard Headers
  • Oldsmobile 400-455
  • 1965-1975 442 and Cutlass
  • 1971-1975 Delta 88
  • 1.75'' Tube
  • 3'' Collector
  • Ceramic Coated

    Must Modify Stock Exhaust to Retain Catalytic Converter
Part TypeHeader
BrandFLOWTECH
Package Height9.5
Package Width20.0
Package Length37.0
Weight31.3 PG
Part CategoryPerformance Parts
Header FinishSilver ceramic coated
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Weld-UpNo
Collector Attachment3-bolt flange
Flange StyleStandard
TunedNo
Collector Diameter3 in (76.2 mm)
Motor Mounts IncludedNo
Part FitmentSemi Universal
Reducers IncludedYes
ApplicationAutomotive
Primary Tube Gauge18-gauge
Header StyleFull-length
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.75 in (44.5 mm)
Vendor Part Number31154FLT
Package Qty1
Package TypeEA
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