B Series B18 B20 Header 4-1 Merge Collector V2

  • $325.00

*All headers and large exhaust items may be subject to additional shipping charges*

The Power Driven (V2) B-Series header features a true 4-1 merge collector for more equal exhaust flow. This header delivers the best peak horsepower gains while utilizing a 2-piece design. Ideal for all forms of competition; Autocross, drag racing or road racing.

We recommends using a 2.75" extension pipe for an easier installation.

*Half cored radiator is required!*


  • Honda B-Series (1.8L to 2.0L)

  • Recommended for 1.8L - 2.0L engine displacements

Key Features:

  • True 2.65" (ID) collector outlet

  • Hand TIG welded

  • CNC machined manifold flanges

  • 18 gauge, 304 stainless steel

  • OEM spec header gasket ($20+ value.)

  • OEM spec donut gasket ($20+ value.)

  • Two-piece slip fit design.