70mm turbine outlet elbow for stock turbine or stock replacement turbo. Also fits Greddy/Trust T517Z/T518Z turbos. Reduces turbo lag with noticeable improvements throughout the powerband. Boost will be attained at a lower RPM. Divider wall is placed between turbine wheel and wastegate for better flow efficiency. Specs are as follows, T-304 stainless steel, contains all necessary hardware and gaskets, direct bolt-on application.