Isamu RX6B turbo kits are the flagship series from APEXi. All Isamu kits incorporate the world acclaimed IHI RX6 turbine. These kits are all external wastegate style and come complete with all necessary hardware. Isamu turbo kits are also distinguished by the high precision exhaust manifold. These manifolds are beautifully TIG welded using SUS304 high grade stainless steel. The RX6 turbo is a high precision ball bearing turbo offering large horsepower gains without compromising the low end power band. A racing wastegate comes standard with the kit allowing for stable boost pressure. The kit comes with all necessary gaskets and hardware.