Subaru STI WRX Legacy GT Turbo Upgrade Options

Most Common Upgrade Options Are:

350 to 415 hp

• 16g 48.3 x 68mm Compressor and 49 x 56mm Turbine
• 18g 50mm x 68mm Compressor and 49 x 56mm Turbin
• 20g 52.6mm x 68mm Compressor and 49 x 56mm Turbine

450 hp

• SL2 20g 52.6mm x 68mm Compressor and 54 x 61mm Turbine
• SL2 EF3 56 x 76mm Compressor and 54 x 61mm Turbine (9 Blade)
• TDO6 EF3 56 x 76mm Compressor and 55 x 65mm Turbine (12 Blade)

500 – 625 HP

• TDO6H GTX3076R 58mm x 76mm and 58.8 x 67.2 Turbine (9 or 11 blade) (550HP)
• TDO6H EF4 60.27 x 82 x 83mm 7blade and 58.8 x 67.2 Turbine (9 or 11 blade) (580 +HP)
• TDO6H 25g 60.5 x 78 x 83mm (5, 6, or 11 blade) and 58.8 x 67.2 Turbine (9 or 11 blade)580+HP
• TDO6H GTX3582R 62.35 x 82 x 86mm 11 blade and 58.8 x 67.2 Turbine (9 or 11 blade)600+HP

To Install this Turbo You May Need TDO5 Coolant Line Install Kit, Because The thread Pitch of the TDO4 and VF turbos for the Coolant is Different than the MHI TDO5 TDO6 Which is M14 x 1.5. You can buy this coolant kit on ebay Here. (turbo oil feed line water pipe install gasket kit for subaru EJ20 EJ25)

NOTE: 2011+ Year STI Requires Rotation kit to install the turbo upgrade with the 3″ inlet compressor Housing. You must use the 3″ compressor housing for the Compressor wheels 56mm and Larger.

If You would like for us to build you a turbo like this you can contact us at

tu*************@gm***.com

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