02-07 WRX & STI IHI VF Series Bolt-on Turbos
Subaru OEM IHI VF Series turbochargers are a direct bolt-on option for the 02-07 WRX & STI, utilizing the factory mounting points and attaching to the factory oil and coolant lines. These turbos are a great upgrade option for 2.0L WRX owners looking to make significantly more power and still retain OEM quality and fitment. These turbochargers are also compatible with many engine management base maps, eliminating the need for custom tuning in some circumstances. 2.5L WRX models (2006-2007) will also benefit from a VF series turbo upgrade, however gains will not be as dramatic as on the 2.0 models as the larger displacement motor will suffer from a taper in power in the high RPM range. STI owners should consider these turbochargers as an OEM replacement only. As with all turbo upgrades, these Subaru OEM VF series turbos will require fueling and tuning upgrades to operate safely.
- IHI Series Turbo Specs:
- The IHI VF39 comes stock on the 04-06 US Market STI, and is a well proven upgrade path for the WRX. The VF39 uses a thrust bearing setup with a P18 exhaust housing capable of 285 whp on the EJ20. If you are considering the VF39, we highly suggest checking out the VF43 as it is a more efficient setup in the same class.
- The IHI VF43 comes stock on the 2007 STI. It has almost identical features of the VF39 with a thrust bearing and a P18 exhaust housing, but the wastegate opening is larger to relieve boost creep issues. The VF43 is capable of 290 whp on the EJ20.
- The IHI VF48 comes stock on the 2008 STI. Not much is known about this turbo yet as it has only recently been introduced, but numbers in the 300-315whp range have been produced with this turbo when tuned aggressively.
- FITMENT:
- Subaru STI 2004-2007
- Subaru WRX 2002-2007
| Description | Part # | MSRP | Price | Inventory | |
|---|---|---|---|---|---|
| IHI VF39 Turbocharger | 14411aa572 | $1,921.00 | $1,280.00 | Usually ships in 2 days | |
| IHI VF43 Turbocharger | 14411aa620 | $1,921.00 | $1,280.00 | 1 available | |
| IHI VF48 Turbocharger | 14411AA700 | $1,921.00 | $1,280.00 | Usually ships in 2 days |
Recommended parts to go with your 02-07 WRX & STI IHI VF Series Bolt-on Turbos
