Toda Racing Honda Integra B18C 98 Spec. 4-2-1 Exhaust Manifold B18C 18100-DC2-981 IN STOCK!
DESIGN HIGHLIGHTS A dyno tested (Equal length 4-2-1+ Taper) Design. Taper design is adopted from feedback from both racing and dyno bench testing. Race type high flow junction. Each section of the manifold has optimized pipe lengths, diameters,and angles as well as high flow junctions. Made of light weight stainless steel for both durability and looks. Flange manufactured by high precision CNC machine. (exhaust port size is ø38mm)
In order to get the best performance, engine power, efficiency, this exclusive exhaust manifold design takes into consideration not only the special characteristics of VTEC B18C-R engine but also the results of an extensive dyno testing program.
-Our 4-2-1 type now available as Ver.2 strengthened The part of a racing look is removed by the strong request from the competition customers. It became simple structure. -The reinforcement plate is added The reinforcement plates are added to each racing junction and a head plate to each pipe exit. -A bench test (Equal length 4-2-1 + Taper) design Ø45mm → Ø50mm → Ø55mm → Taper → Ø60mm *Taper design is adopted from feedback from both racing and the bench testing. -Racing high flow junctions design Each section of the manifold has optimized pipe lengths, diameters and angles as well as high flow junctions. -Made of light weight stainless steel for both durability and looks -Flange manufactured by high precision machining center
