Cast Iron Exhaust Manifolds for GM Gen III, IV LS Engines [Black Ceramic Finish]
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FLOWTECHPART NUMBER: 387-31730-3FLT

Cast Iron Exhaust Manifolds for GM Gen III, IV LS Engines [Black Ceramic Finish]

$38295
2 left in stock
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Black Ceramic Finish
Cast Iron Exhaust Manifolds
  • GM Gen III, IV LS Engines
  • 1 3/4 in. Primary Tube Diameter
  • 2 1/4 in. Outlet Diameter
  • 2-Bolt Exit Flange
  • Nickel Plated Steel Mating Flanges
  • High-Silicone Moly Ductile Iron
  • Black Ceramic Finish

    Dimensions

    FlowTech 31730-3FLT Cast Iron Exhaust Manifolds:

    • Stay close to the engine for multiple chassis applications
    • Less underhood noise than headers
    • Uses factory or aftermarket gaskets and fasteners
    • Includes nickel plated steel mating flanges

    FlowTech 31730-3FLT Cast Iron Exhaust Manifolds Note:

    • Not compatible with 2004-2006 Pontiac GTO starters and bellhousings

    Emissions Note:

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeExhaust Manifold
    BrandFLOWTECH
    Package Height9.0
    Package Width12.0
    Package Length21.0
    Weight32.0 PG
    Part CategoryPerformance Parts
    Collector Attachment2-bolt flange
    Exhaust Manifold Gaskets IncludedNo
    QuantitySold as a pair
    Mounting Hardware IncludedNo
    Exhaust Manifold MaterialHigh silicon ductile iron
    Engine Make/SizeGM LS GEN III & IV
    Exhaust Manifold FinishBlack Ceramic
    Vendor Part Number31730-3FLT
    Package Qty1
    Package TypeEA
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