Efficient and better power output in all range and a faster boost between exhaust manifold and turbine support pipe.
- The kit improves efficiency of turbine support pipe, which is installed between exhaust manifold and turbocharger of SUBARU Impreza. There are two models. One is for GC8 D-Type to GDB AB-Type. Another model is for Twin scroll for GDB C-Type or later models.
- Turbine response is improved, and it increases horsepower for all rpm range. It is recommended to use with HKS Stock Replacement Stainless Exhaust Manifold.