B Series Exhaust Header Flange Steel 1/2" Thick CNC Port Turbo Manifold

Part Number: 729859401904
Bull Boost Performance
$49.99
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Bull Boost Performance B-Series 1018 Steel Exhaust Header Flange

Build a stronger, more reliable exhaust manifold with the Bull Boost Performance B-Series 1018 Steel Exhaust Header Flange. Designed for fabricators, racers, and performance enthusiasts, this CNC-machined flange is manufactured from premium 1018 mild steel and engineered to withstand the extreme temperatures and stress associated with high-performance street and race applications.

Featuring a precision-machined 3D port design, this flange provides a smooth transition between the cylinder head and exhaust runners, helping optimize exhaust flow while simplifying fabrication. The heavy-duty 1/2-inch thick construction minimizes flange warping and maintains consistent gasket sealing under high heat and boost pressures.

Whether you're building a naturally aspirated race header or a high-horsepower turbo manifold, this flange delivers the durability and precision required for professional-level fabrication.


Engineering & Construction

CNC Machined 1018 Steel

Manufactured from premium 1018 mild steel for excellent strength, weldability, and long-term durability.

Precision 3D Port Design

Machined port entries provide improved runner transitions and professional fabrication quality.

Heavy-Duty 1/2" Thickness

Designed to resist warping and maintain a reliable seal under extreme operating conditions.

Fabricator Friendly

Ideal for custom turbo manifolds, race headers, and high-performance exhaust systems.


Features

  • CNC machined in-house
  • Premium 1018 steel construction
  • Precision 3D port design
  • Heavy-duty 1/2" thick flange
  • Excellent TIG and MIG weldability
  • High-temperature resistant design
  • Improved gasket sealing surface
  • Suitable for turbo and naturally aspirated applications
  • Race-proven durability
  • Made in the USA

Specifications

  • Material: 1018 Mild Steel
  • Thickness: 0.500" (12.7mm)
  • Configuration: B-Series 4-Port Design
  • Finish: Raw Machined Steel
  • Manufacturing Process: CNC Machined
  • Application: Exhaust Header / Turbo Manifold Fabrication
  • Country of Manufacture: USA

Perfect For

  • Custom exhaust header fabrication
  • Turbo manifold fabrication
  • Drag racing applications
  • Road racing builds
  • Time attack vehicles
  • Street performance projects
  • High-horsepower forced induction setups

Package Includes

  • (1) Bull Boost Performance B-Series 1018 Steel Exhaust Header Flange

Installation Notes

Professional fabrication and welding are recommended. Verify dimensions and intended application before purchase. Hardware, tubing, and gaskets are not included unless otherwise stated.

Manufactured to the standards demanded by professional fabricators and racers, the Bull Boost Performance B-Series Exhaust Header Flange provides the strength, precision, and reliability needed for serious performance builds.