E1120G GD GG GR GV metalmani SG SH VASTI

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Cobb TD05H 20G-8 Turbocharger

E1120G GD GG GR GV metalmani SG SH VASTI

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  • The Cobb 20G is an ideal turbo upgrade for those looking to increase the top-end power of their STI while maintaining low and mid-range response. Capable of producing 400hp and retaining excellent throttle response, the COBB 20G is a perfect turbocharger for street or track use!


    • Single scroll exhaust housing
    • Offset compressor outlet for more room around the throttle by wire connector
    • Sleeve bearing turbo with 360 degree thrust bearings with modified oiling strategy for greater thrust capacity
    • Compressor- Inducer: 52.5mm Exducer: 68mm
    • Turbine- Inducer: 55.8mm Exducer: 49.2mm
    • 20G Compressor Housing with 68mm Billet Wheel
    • 8cm^2 Turbine Housing with 55.8mm Wheel (TD05H)
    • 640 CFM
    • .57 A/R
    • 1 Bar wastegate actuator


    • 2002-2007 WRX 
    • 2004+ WRX STi (including 2015+)
    • 2006-2013 Forester XT

    Note that, as with any turbo upgrade, fuel injector and fuel pump upgrades, plus custom ECU tuning, are REQUIRED.

  • SKU#: 09177

    Shipping Weight: 20.0 lb

    Supplier: Cobb Tuning

    Category: Cobb Tuning, Turbochargers