Part #: TR-TS1047. Check out the twin scroll GTX2971 turbocharger, perfect for Subaru 2002 - 2007 WRX and 2004 - 2018 STi! Just like the GTX2971R, it comes with a ball - bearing cartridge, a billet compressor wheel, and a 10 cm² housing. The billet compressor wheel is lighter than those in competing turbochargers. With point milling on each blade, it allows for maximum airflow. Its wheel and blade design is unique, with a 20% larger wheel and 17% longer blades than the factory turbo. The GTX2971 also has a port and polished exhaust housing to reduce exhaust flow turbulence. All necessary hardware is included in the purchase. Note: This turbocharger needs twin scroll headers and a downpipe. Bearing Type: Ball - Bearing. Flange Type: Standard Subaru 5 - Bolts. Compressor Wheel: In: 54 mm, Ex: 72 mm. Turbine Wheel: In: 60 mm, Ex: 57 mm. Turbine Housing: 10 cm². Actuator: 1.3 bar / 19 psi. Horsepower: 500 HP. Applications: 2002 - 2007 Subaru WRX, 2004 - 2018 Subaru STi. Kit Contents: Turbocharger, Gaskets, Hardware Kit, Actuator, Oil Pipe, Water Pipe.

Using this Tomioka Racing GTX2971 twin scroll turbocharger is easy. First, make sure you have twin scroll headers and a downpipe as it's required for this turbocharger. Install all the parts that come in the kit, including the turbocharger, gaskets, hardware kit, actuator, oil pipe, and water pipe. When it comes to maintenance, regularly check the oil and water pipes for any leaks. Keep an eye on the actuator pressure. If you notice any unusual noises or a drop in performance, it's a good idea to have it inspected. Also, make sure the ball - bearing cartridge is properly lubricated. Remember, this turbocharger is designed to give you 500 HP, so enjoy the power it brings to your Subaru WRX or STi!