hallsy67

sorry for the noob question but its my first subaru and although ive searched ive no idea what turbo is fitted to my car and what sort of bhp it can put out safely

hallsy67

bump

dynamix

iTrader: (3)

VF43 - Safe limit is about 370-380 bhp if you pay attention to charge temperatures and find ways to get cooler air into the engine.

dynamix

iTrader: (3)

IHI VF43
(250-325whp, Bolt-On)
This is the standard equipment turbocharger used on the MY07 USDM Subaru Impreza WRX STI. It can be found on both base STI's and STI Limited's. The VF43 utilizes a thrust bearing design and the P18 exhaust housing. The difference between the VF43 and the VF39 used previously on STI's is the size of the wastegate. The VF43 has a larger wastegate designed to reduce boost creep issues.
Expect to achieve full boost with the proper mods and a quality tune between 3000-3500rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles that utilize this turbo aftermarket.

hallsy67

thanks for the reply

dynamix

iTrader: (3)

mine is currently at 360bhp & 400 lb/ft so is a perfect rapid road car or even better on track as the torque makes it extremely driveable without thrashing it as there is no point revving beyond 6250 really.

You do realise any mapping will not be warranty friendly?

hallsy67

i do, was looking at having the ppp fitted but main dealer will void my w/tee if i have that fitted as its a cypriot import so may keep it standard for a bit, well until i cant resist anymore

dynamix

iTrader: (3)

go for it