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Flowmaster Header Collector Ball Flange Kit

3.00-inch to 2.50-inch Tubing.

Part # 15925 Be the first to write a review
Estimated shipping date: 01/24/2022
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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 inside diameter (i.d.) slip-fit connections. Welding required. Available in various sizes. Sold in Pairs


  • 3.00-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

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Attachment MethodBall & Socket Flange
Automotive Item GradeHigh Performance Part
Bolts/Studs IncludedYes
Brand Flowmaster
Emission Code5
Head Flange Thickness (in)0.375
Height (in)3
Inlet Connection TypeStraight Pipe
Inlet Diameter (in)3
MaterialAluminized Steel
Material Gauge16
Outlet Connection TypeStraight Pipe
Outlet Diameter (in)2.50
Product TypeExhaust Accessories
California Proposition 65 RequiredNo
Part Number15925

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.

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

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