BLOX Max-Flo 4-2-2-1 Tri-Y Header for B-Engines

The BLOX Racing Max-Flo header is specifically designed for Honda B-series engines with high compression 1.8L - 2.0L in displacement.
The BLOX Racing Max-Flo header is a 2-piece, 4-2-2-1 design and features innovative step-up exhaust tubing, TIG-welded stainless steel tubing and flanges and true 2.5" exhaust collector.

Each BLOX Tri-Y header features true step-up exhaust header technology.
The unique aspects of BLOX Racing headers are the internally TIG-welded head flanges which ensures against cracking under extreme pressures and spring-hinged piping joints.
All headers feature 10mm thick head flanges and 8mm exhaust flanges with 2.5” exhaust collectors.

NOTE: No gaskets are supplied with this header, please order seperately

Recommendations:
- Hi-Flo Recommended for 1.6L-1.9L engine displacement (N/A)
- Max-Flo Recommended for high compression 1.8L and 2.0L+ engine displacement (Supercharged)

Specifications - Step-up Piping Sizes:

- 1.6" - 40.6mm
- 1.8" - 45.7mm
- 2.0" - 50.8mm
- 2.5" - 65mm