IHI Turbocharger Performance Direct Fit Upgrade ( Bolt On)
For Subaru Impreza WRX STI (GR) EJ25 2.5L (2007 )
This product has resistance to the common compressor surge which tend to occur at low/mid rpms of stock turbocharger. At high rpms, even at the same boost are much improved from stock turbocharger.
Totally, at any rpm over 3000, the boost is easier to generate quickly.
Torque is smoother on the road and not as binary.
• Precise machined aluminum forged big compressor wheel
• The appropriate shaped larger compressor shroud adopts an abrade able seal structure that further improves charging efficiency.
• Bolt on Installation
• Gaskets are excluded
• Engine and peripheral parts modifications will be needed to soup up the performance more.
OEM Turbo Part #:
(VF39, VF43, VF48)