Flowmaster Header Collector Ball Flange Kit

Header Collector Ball Flange Kit - 3.50 in. to 3.00 in. - Pair

PART# 15923

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$132.95   Suggested Retail
$107.06   Holleydays Price
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This header collector kit takes the place of three bolt flange type connections and allows for a leak free and gasket free ball flange type connection. Available in various sizes.


  • 3.50 in. collector to 3.00 in. tubing
  • Leak free ball and socket seal
  • Replaces three bolt flange connection - slip fit connections for easy assembly
  • 16 Gauge Tubing


Attachment MethodBall & Socket Flange
Automotive Item GradeHigh Performance Part
Bolts/Studs IncludedYes
California Proposition 65 RequiredNo
Emission Code5
Head Flange Thickness (in)0.375
Height (in)3
Inlet Connection TypeStraight Pipe
Inlet Diameter (in)3.5
MaterialAluminized Steel
Material Gauge16
Outlet Connection TypeStraight Pipe
Outlet Diameter (in)3
Product TypeExhaust Accessories
Type of ComponentHeader Flange Kit
Part Number15923


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.

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