The version 2 Toda exhaust manifold for the B16 and B18 engines include a 4-2-1 design for superior exhaust flow enabling high performance NA engines.
Version 2 Features
- Removal of racing look (springs as shown in the picture)
- Additional reinforcement plate
Features
- Bench test developed 4-2-1 tapered design for superior flow
B18C: 45mm -> 50mm -> Taper -> 60mm
B16B: 45mm -> 48mm -> Taper -> 60mm
- Racing style function, both primary and secondary junctions include optimised angles
- Highest accuracy machined flanges
- Superior welding using lightweight stainless steel
In Japanese : http://www.toda-racing.co.jp/jp/product/ex_mani/b18-1.html