BLOX 4-2-1 Stainless Steel Race Header (Hi-Flo) for Honda/Acura B-Series Engines.
NOTE: OFF-ROAD USE ONLY.

 

- 4-2-2-1 Tri-Y header design
- 2-piece; spring-hinges
- SUS304 stainless steel construction
- TIG-welded seams
- Internally TIG-welded head flange
- 1.5mm wall thickness
- 10mm head flange thickness
- 8mm exhaust flange thic
- Recommended for displacement 1.6L - 1.9L

Note: Certain motor swap applications may require modifications.