Tomioka Racing TD05-18G Turbo Kit (Subaru STi 04-08+)

Tomioka Racing

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TR complete bolt-on turbo kits are ideal for wide range of tuning from stock engines to those which have had upgraded internals.

Using experiences on the track and feedback from other tuners, TR development in turbo technology has allowed us to provide turbo kit solutions for users who require smooth power delivery for the street and enjoyable sport driving. These kits have been designed to offer a boost in power without sacrificing the response found in stock turbos and provide extra performance and without additional cost.


The TR TD05-18G Turbo is the one of the best all-around turbo upgrade for your street car. The turbo characteristic is very similar to factory VF39 Turbo but with an increased spool rate and capacity to handle upwards of 350WHP. This makes the TD05-18G a great addition to your engine if you are planning to keep your car daily driver friendly. The turbo comes with all fitting and gaskets, ready to bolt on out of the box.

  • Type: TD05-18G
  • Application:
    • Subaru Impreza STi 2008+ GRB
    • Subaru Impreza STi 2002-2007 GDA/GDB
    • Subaru Impreza Classic 1998-2001 GC8
    • Subaru Forester 2005-2007 SG5
  • Bearing: Journal
  • Flange: Standard Subaru 5 Bolt
  • Compressor Diameter:
    • Inlet: 50.3 mm
    • Outlet: 68 mm
  • Turbine Diameter:
    • Inlet: 49.2 mm
    • Outlet: 56 mm
  • Air Flow Rate: 600 CFM
  • Turbo Boost: 1 BAR / 15 Psi
  • Maximum Power: 350 HP
  • Turbine Housing: 7 cm²

Kit Contents

  • Turbocharger
  • Actuator
  • Oil Pipe
  • Water Pipe
  • Gaskets
  • Hardware kits

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