Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

New turbo and PSI questions

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Old May 1, 2007 | 11:36 PM
  #1  
A170123W's Avatar
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Car Info: 2007 Subaru Impreza WRX STi
New turbo and PSI questions

I own a new 2007 STi and I was wondering is it true that the 07 STi uses a new turbo? If so, what kind of turbo is it and is it better than the 06 turbo? My last question is what is the PSI on a stock 07 STi?

Thank You
Old May 2, 2007 | 07:24 PM
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Car Info: 02 PSM WRX
It has an IHI VF43. According to what I've read it's pretty much the same as the 39 but it has a larger internal wastegate so it will run a lower target boost.
Old May 12, 2007 | 01:54 PM
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moved
Old May 13, 2007 | 09:58 AM
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Car Info: 07' AW 335i & 05' WD Escalade
Originally Posted by MO REX
It has an IHI VF43. According to what I've read it's pretty much the same as the 39 but it has a larger internal wastegate so it will run a lower target boost.
it will still have the same target boost but will be able to control it much better especially after you go catless (less chance of boost creep)
Old May 29, 2007 | 07:40 AM
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Car Info: WRX 2007
+1 i checked and the 06 and 07 have the exact same values for everything.
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