Tomioka Racing

Tomioka Racing TD05-20G Turbo Kit (Subaru STi 04-08+)

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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.


If you are looking for a street/track turbo look no further, the TR TD05-20G turbo makes a excellent street and track turbo. This turbo is capable of up to 400WHP and maintain a street drivability when you are off the track. With larger wheel blades than the TR TD05-18G this turbo can handle mid to high end horsepower without increasing the lag time on the turbo when compared to stock. The turbo comes with all fitting and gaskets, ready to bolt on out of the box.

  • Type: TD05-20G
  • 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: 52.5 mm
    • Outlet: 68 mm
  • Turbine Diameter:
    • Inlet: 49.2 mm
    • Outlet: 56 mm
  • Air Flow Rate: 640 CFM
  • Turbo Boost: 1 BAR / 15 Psi
  • Maximum Power: 400 HP
  • Turbine Housing: 8 cm²

Kit Contents

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

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