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Flowmaster Header Collector Ball Flange Kit

2.50-inch to 2.50-inch Tubing.

PART# 15938

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$117.95   Your Price
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This header collector ball flange kit takes the place of typical three bolt flange type connections and allows for a leak free and gasket free connection. Both ends feature 2.50-inch inside diameter slip-fit connections. Welding required. Available in various sizes. Sold in Pairs


  • 2.50-inch Collector to 2.50-inch Tubing
  • Slip-fit Connections for Easy Assembly
  • Replaces Three Bolt Header Flanges
  • 16 Gauge Aluminized Steel Tubing
  • Leak-free Ball and Socket Seal
  • Flowmaster Quality


Attachment MethodBall & Socket Flange
Automotive Item GradeHigh Performance Part
Bolts/Studs IncludedYes
Emission Code5
Header Flange Thickness (in)0.375
Height (in)3
Inlet Connection TypeStraight Pipe
Inlet Diameter (in)2.5
MaterialAluminized Steel
Material Gauge16
Outlet Connection TypeStraight Pipe
Outlet Diameter (in)2.5
Product TypeExhaust Accessories
California Proposition 65 RequiredNo
Part Number15938



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.

Tech Resources

Universal Item - Not a direct fit. Some adaptation required.
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