Extension of internal wastegate turbocharger smoothes exhaust gas flow from turbine to front pipe. It reduces secondary exhaust gas pressure of turbine. Response and power of turbocharger will be improved.

For LANCER EVOLUTION "GT EXTENSION KIT for LANCER EVOLUTION" fits to stock turbocharger. It is consists of Extension and Front Pipe before Catalytic Converter. The Extension has Φ60 Main Pipe and Φ58 Bypass Pipe. Both independent exhaust ports do not affect each other and gas flow goes to Φ70 Front Pipe smoothly. Capacity of the kit can be up to 300kW (400PS). Boost response is improved by 15% than stock extension.

For SILVIA - Users can select from Extension Kit, which is for stock or GT-SS Turbine and GT Extension Kit. - Larger diameter of Main Pipe and Bypass Pipe increases horspower and torque at middle and high rpm range compared to other manufacturers' products. Boost response will be improved by 10%. - Specially designed Dual Layout Front Pipe has larger area and exhaust efficiency is much improved. In addition, road clearance is 15-20mm more than ordinary shape.