Part #: TR - TS1018. The well - loved stock replacement TR TD05 - 20G turbo now features a billet wheel. It can potentially boost performance compared to VF39 and TD04 turbos and is at least 10% more efficient than the regular TD05 - 18G. With a 400HP rating, it's an ideal turbo for daily - driven Subarus! Turbo Characteristics: Bearing Type is Journal. Flange Type is Standard Subaru 5 - Bolts. Compressor Wheel: In is 50.3 mm, Ex is 68 mm. Turbine Wheel: In is 56 mm, Ex is 49.2 mm. Actuator is 1.3 Bar / 19 psi. Turbine Housing is 8cm. Max. Power is 480 HP. Kit Contents include Turbocharger, Gaskets, Actuator, Oil Pipe, Water Pipe and Hardware Kits.

Using this Tomioka Billet TD05 - 20G Turbocharger is straightforward. First, make sure to check all the parts in the kit to ensure nothing is missing. The turbocharger is designed to fit Subarus like WRX (2002 - 2007), STI (2004 - 2021) and Forester XT (2005 - 2007). When installing, follow the standard installation process for turbochargers in these models. Make sure to connect the oil and water pipes correctly to ensure proper lubrication and cooling. As for maintenance, check the turbocharger regularly for any signs of wear or damage. Keep an eye on the oil and coolant levels, and change the oil as recommended by your vehicle's manufacturer. If you notice any unusual noises or a decrease in performance, it's a good idea to have it checked by a professional. Also, be careful not to over - rev the engine when the turbo is under load, as this can cause unnecessary stress on the turbo components.