Subaru OEM IHI VF48 Turbocharger Subaru WRX 2002-2007 / STI 2004-2021 SkylineR32_1989-1994 beehive valve springs are recommended

beehive valve springs are recommended

but the wastegate opening is larger to relieve boost creep issues

Spring Pressure:

Subaru Oil Feed Line Installation Instructions

Reinforced internals 3

Subaru OEM IHI VF48 Turbocharger Subaru WRX 2002-2007 / STI 2004-2021 SkylineR32_1989-1994 beehive valve springs are recommendedPart #: SUB 14411AA700 Direct replacement, great turbo! This IHI VF48 turbocharger is a direct replacement for the STI. No need to worry about a retune or anything else, just install this turbo and be on your way. This turbo can produce 350whp making huge power numbers on the Subaru STi. Fits 02 07 WRX as well as 04+ STI Part Number 14411AA700 Either replace or remove the inline oil screen as per TSB. If not replaced will cause oil starvation and will